Home / 16,480.92-22,740.20-9,407.16

Finding the Fourth Proportional to 16,480.92, 22,740.20 and 9,407.16

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Solution

The fourth proportional to 16,480.92, 22,740.20 and 9,407.16 is: 12,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,480.92 : 22,740.20 = 9,407.16 : x
  2. Step 2: Convert to fraction form
    16,480.92/22,740.20 = 9,407.16/x
  3. Step 3: Cross multiply
    16,480.92x = 22,740.20 × 9,407.16
  4. Step 4: Simplify right side
    16,480.92x = 213,920,699.83
  5. Step 5: Solve for x
    x = 213,920,699.83/16,480.92
  6. Step 6: Final answer
    x = 12,979.90

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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.