Home / 16,155.33-22,294.13-8,985.17

Finding the Fourth Proportional to 16,155.33, 22,294.13 and 8,985.17

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Solution

The fourth proportional to 16,155.33, 22,294.13 and 8,985.17 is: 12,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,155.33 : 22,294.13 = 8,985.17 : x
  2. Step 2: Convert to fraction form
    16,155.33/22,294.13 = 8,985.17/x
  3. Step 3: Cross multiply
    16,155.33x = 22,294.13 × 8,985.17
  4. Step 4: Simplify right side
    16,155.33x = 200,316,391.66
  5. Step 5: Solve for x
    x = 200,316,391.66/16,155.33
  6. Step 6: Final answer
    x = 12,399.40

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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.