Home / 23,414.28-32,305.16-13,979.40

Finding the Fourth Proportional to 23,414.28, 32,305.16 and 13,979.40

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Solution

The fourth proportional to 23,414.28, 32,305.16 and 13,979.40 is: 19,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,414.28 : 32,305.16 = 13,979.40 : x
  2. Step 2: Convert to fraction form
    23,414.28/32,305.16 = 13,979.40/x
  3. Step 3: Cross multiply
    23,414.28x = 32,305.16 × 13,979.40
  4. Step 4: Simplify right side
    23,414.28x = 451,606,753.70
  5. Step 5: Solve for x
    x = 451,606,753.70/23,414.28
  6. Step 6: Final answer
    x = 19,287.66

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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.