Home / 15,966.86-22,033.20-9,251.29

Finding the Fourth Proportional to 15,966.86, 22,033.20 and 9,251.29

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Solution

The fourth proportional to 15,966.86, 22,033.20 and 9,251.29 is: 12,766.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.86 : 22,033.20 = 9,251.29 : x
  2. Step 2: Convert to fraction form
    15,966.86/22,033.20 = 9,251.29/x
  3. Step 3: Cross multiply
    15,966.86x = 22,033.20 × 9,251.29
  4. Step 4: Simplify right side
    15,966.86x = 203,835,510.08
  5. Step 5: Solve for x
    x = 203,835,510.08/15,966.86
  6. Step 6: Final answer
    x = 12,766.16

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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.