Home / 16,068.78-22,177.13-9,695.70

Finding the Fourth Proportional to 16,068.78, 22,177.13 and 9,695.70

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Solution

The fourth proportional to 16,068.78, 22,177.13 and 9,695.70 is: 13,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,068.78 : 22,177.13 = 9,695.70 : x
  2. Step 2: Convert to fraction form
    16,068.78/22,177.13 = 9,695.70/x
  3. Step 3: Cross multiply
    16,068.78x = 22,177.13 × 9,695.70
  4. Step 4: Simplify right side
    16,068.78x = 215,022,750.86
  5. Step 5: Solve for x
    x = 215,022,750.86/16,068.78
  6. Step 6: Final answer
    x = 13,381.40

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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.