Home / 15,031.95-22,553.40-7,136.88

Finding the Fourth Proportional to 15,031.95, 22,553.40 and 7,136.88

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Solution

The fourth proportional to 15,031.95, 22,553.40 and 7,136.88 is: 10,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,031.95 : 22,553.40 = 7,136.88 : x
  2. Step 2: Convert to fraction form
    15,031.95/22,553.40 = 7,136.88/x
  3. Step 3: Cross multiply
    15,031.95x = 22,553.40 × 7,136.88
  4. Step 4: Simplify right side
    15,031.95x = 160,960,909.39
  5. Step 5: Solve for x
    x = 160,960,909.39/15,031.95
  6. Step 6: Final answer
    x = 10,707.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.