Home / 15,965.88-22,031.24-9,253.61

Finding the Fourth Proportional to 15,965.88, 22,031.24 and 9,253.61

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Solution

The fourth proportional to 15,965.88, 22,031.24 and 9,253.61 is: 12,769.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.88 : 22,031.24 = 9,253.61 : x
  2. Step 2: Convert to fraction form
    15,965.88/22,031.24 = 9,253.61/x
  3. Step 3: Cross multiply
    15,965.88x = 22,031.24 × 9,253.61
  4. Step 4: Simplify right side
    15,965.88x = 203,868,511.59
  5. Step 5: Solve for x
    x = 203,868,511.59/15,965.88
  6. Step 6: Final answer
    x = 12,769.01

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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.