Home / 16,115.28-22,227.12-12,925.08

Finding the Fourth Proportional to 16,115.28, 22,227.12 and 12,925.08

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Solution

The fourth proportional to 16,115.28, 22,227.12 and 12,925.08 is: 17,827.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.28 : 22,227.12 = 12,925.08 : x
  2. Step 2: Convert to fraction form
    16,115.28/22,227.12 = 12,925.08/x
  3. Step 3: Cross multiply
    16,115.28x = 22,227.12 × 12,925.08
  4. Step 4: Simplify right side
    16,115.28x = 287,287,304.17
  5. Step 5: Solve for x
    x = 287,287,304.17/16,115.28
  6. Step 6: Final answer
    x = 17,827.01

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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.