Home / 16,472.16-22,711.68-11,440.64

Finding the Fourth Proportional to 16,472.16, 22,711.68 and 11,440.64

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Solution

The fourth proportional to 16,472.16, 22,711.68 and 11,440.64 is: 15,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,472.16 : 22,711.68 = 11,440.64 : x
  2. Step 2: Convert to fraction form
    16,472.16/22,711.68 = 11,440.64/x
  3. Step 3: Cross multiply
    16,472.16x = 22,711.68 × 11,440.64
  4. Step 4: Simplify right side
    16,472.16x = 259,836,154.68
  5. Step 5: Solve for x
    x = 259,836,154.68/16,472.16
  6. Step 6: Final answer
    x = 15,774.26

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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.