Home / 16,488.76-24,722.20-5,391.56

Finding the Fourth Proportional to 16,488.76, 24,722.20 and 5,391.56

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Solution

The fourth proportional to 16,488.76, 24,722.20 and 5,391.56 is: 8,083.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.76 : 24,722.20 = 5,391.56 : x
  2. Step 2: Convert to fraction form
    16,488.76/24,722.20 = 5,391.56/x
  3. Step 3: Cross multiply
    16,488.76x = 24,722.20 × 5,391.56
  4. Step 4: Simplify right side
    16,488.76x = 133,291,224.63
  5. Step 5: Solve for x
    x = 133,291,224.63/16,488.76
  6. Step 6: Final answer
    x = 8,083.76

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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.