Home / 22,277.17-30,742.50-12,205.98

Finding the Fourth Proportional to 22,277.17, 30,742.50 and 12,205.98

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Solution

The fourth proportional to 22,277.17, 30,742.50 and 12,205.98 is: 16,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,277.17 : 30,742.50 = 12,205.98 : x
  2. Step 2: Convert to fraction form
    22,277.17/30,742.50 = 12,205.98/x
  3. Step 3: Cross multiply
    22,277.17x = 30,742.50 × 12,205.98
  4. Step 4: Simplify right side
    22,277.17x = 375,242,340.15
  5. Step 5: Solve for x
    x = 375,242,340.15/22,277.17
  6. Step 6: Final answer
    x = 16,844.26

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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.