Home / 15,966.18-22,031.30-9,251.75

Finding the Fourth Proportional to 15,966.18, 22,031.30 and 9,251.75

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Solution

The fourth proportional to 15,966.18, 22,031.30 and 9,251.75 is: 12,766.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.18 : 22,031.30 = 9,251.75 : x
  2. Step 2: Convert to fraction form
    15,966.18/22,031.30 = 9,251.75/x
  3. Step 3: Cross multiply
    15,966.18x = 22,031.30 × 9,251.75
  4. Step 4: Simplify right side
    15,966.18x = 203,827,923.36
  5. Step 5: Solve for x
    x = 203,827,923.36/15,966.18
  6. Step 6: Final answer
    x = 12,766.23

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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.