Home / 22,326.13-30,810.45-12,255.51

Finding the Fourth Proportional to 22,326.13, 30,810.45 and 12,255.51

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Solution

The fourth proportional to 22,326.13, 30,810.45 and 12,255.51 is: 16,912.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,326.13 : 30,810.45 = 12,255.51 : x
  2. Step 2: Convert to fraction form
    22,326.13/30,810.45 = 12,255.51/x
  3. Step 3: Cross multiply
    22,326.13x = 30,810.45 × 12,255.51
  4. Step 4: Simplify right side
    22,326.13x = 377,597,778.08
  5. Step 5: Solve for x
    x = 377,597,778.08/22,326.13
  6. Step 6: Final answer
    x = 16,912.82

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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.