Home / 15,552.20-23,328.30-5,691.80

Finding the Fourth Proportional to 15,552.20, 23,328.30 and 5,691.80

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Solution

The fourth proportional to 15,552.20, 23,328.30 and 5,691.80 is: 8,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552.20 : 23,328.30 = 5,691.80 : x
  2. Step 2: Convert to fraction form
    15,552.20/23,328.30 = 5,691.80/x
  3. Step 3: Cross multiply
    15,552.20x = 23,328.30 × 5,691.80
  4. Step 4: Simplify right side
    15,552.20x = 132,780,017.94
  5. Step 5: Solve for x
    x = 132,780,017.94/15,552.20
  6. Step 6: Final answer
    x = 8,537.70

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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.