Home / 16,979.62-23,432.08-9,426.10

Finding the Fourth Proportional to 16,979.62, 23,432.08 and 9,426.10

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Solution

The fourth proportional to 16,979.62, 23,432.08 and 9,426.10 is: 13,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.62 : 23,432.08 = 9,426.10 : x
  2. Step 2: Convert to fraction form
    16,979.62/23,432.08 = 9,426.10/x
  3. Step 3: Cross multiply
    16,979.62x = 23,432.08 × 9,426.10
  4. Step 4: Simplify right side
    16,979.62x = 220,873,129.29
  5. Step 5: Solve for x
    x = 220,873,129.29/16,979.62
  6. Step 6: Final answer
    x = 13,008.13

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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.