Home / 16,193.76-22,350.24-15,455.04

Finding the Fourth Proportional to 16,193.76, 22,350.24 and 15,455.04

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Solution

The fourth proportional to 16,193.76, 22,350.24 and 15,455.04 is: 21,330.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,193.76 : 22,350.24 = 15,455.04 : x
  2. Step 2: Convert to fraction form
    16,193.76/22,350.24 = 15,455.04/x
  3. Step 3: Cross multiply
    16,193.76x = 22,350.24 × 15,455.04
  4. Step 4: Simplify right side
    16,193.76x = 345,423,853.21
  5. Step 5: Solve for x
    x = 345,423,853.21/16,193.76
  6. Step 6: Final answer
    x = 21,330.68

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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.