Home / 22,320.77-30,801.67-12,249.23

Finding the Fourth Proportional to 22,320.77, 30,801.67 and 12,249.23

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Solution

The fourth proportional to 22,320.77, 30,801.67 and 12,249.23 is: 16,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.77 : 30,801.67 = 12,249.23 : x
  2. Step 2: Convert to fraction form
    22,320.77/30,801.67 = 12,249.23/x
  3. Step 3: Cross multiply
    22,320.77x = 30,801.67 × 12,249.23
  4. Step 4: Simplify right side
    22,320.77x = 377,296,555.58
  5. Step 5: Solve for x
    x = 377,296,555.58/22,320.77
  6. Step 6: Final answer
    x = 16,903.39

Related Problems

Find fourth proportional to 11,160.38, 15,400.83 and 6,124.61
Half scale
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Double scale
Find fourth proportional to 22,321.77, 30,803.05 and 12,250.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.