Home / 16,129.32-22,249.08-9,414.06

Finding the Fourth Proportional to 16,129.32, 22,249.08 and 9,414.06

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Solution

The fourth proportional to 16,129.32, 22,249.08 and 9,414.06 is: 12,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129.32 : 22,249.08 = 9,414.06 : x
  2. Step 2: Convert to fraction form
    16,129.32/22,249.08 = 9,414.06/x
  3. Step 3: Cross multiply
    16,129.32x = 22,249.08 × 9,414.06
  4. Step 4: Simplify right side
    16,129.32x = 209,454,174.06
  5. Step 5: Solve for x
    x = 209,454,174.06/16,129.32
  6. Step 6: Final answer
    x = 12,985.93

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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.