Home / 16,031.13-22,122.09-8,956.19

Finding the Fourth Proportional to 16,031.13, 22,122.09 and 8,956.19

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Solution

The fourth proportional to 16,031.13, 22,122.09 and 8,956.19 is: 12,359.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,031.13 : 22,122.09 = 8,956.19 : x
  2. Step 2: Convert to fraction form
    16,031.13/22,122.09 = 8,956.19/x
  3. Step 3: Cross multiply
    16,031.13x = 22,122.09 × 8,956.19
  4. Step 4: Simplify right side
    16,031.13x = 198,129,641.24
  5. Step 5: Solve for x
    x = 198,129,641.24/16,031.13
  6. Step 6: Final answer
    x = 12,359.06

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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.