Home / 16,159.08-22,294.17-13,169.78

Finding the Fourth Proportional to 16,159.08, 22,294.17 and 13,169.78

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Solution

The fourth proportional to 16,159.08, 22,294.17 and 13,169.78 is: 18,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,159.08 : 22,294.17 = 13,169.78 : x
  2. Step 2: Convert to fraction form
    16,159.08/22,294.17 = 13,169.78/x
  3. Step 3: Cross multiply
    16,159.08x = 22,294.17 × 13,169.78
  4. Step 4: Simplify right side
    16,159.08x = 293,609,202.71
  5. Step 5: Solve for x
    x = 293,609,202.71/16,159.08
  6. Step 6: Final answer
    x = 18,169.92

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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.