Home / 16,381.34-22,614.84-11,031.92

Finding the Fourth Proportional to 16,381.34, 22,614.84 and 11,031.92

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Solution

The fourth proportional to 16,381.34, 22,614.84 and 11,031.92 is: 15,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,381.34 : 22,614.84 = 11,031.92 : x
  2. Step 2: Convert to fraction form
    16,381.34/22,614.84 = 11,031.92/x
  3. Step 3: Cross multiply
    16,381.34x = 22,614.84 × 11,031.92
  4. Step 4: Simplify right side
    16,381.34x = 249,484,992.62
  5. Step 5: Solve for x
    x = 249,484,992.62/16,381.34
  6. Step 6: Final answer
    x = 15,229.83

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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.