Home / 15,631.92-23,431.50-5,765.04

Finding the Fourth Proportional to 15,631.92, 23,431.50 and 5,765.04

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Solution

The fourth proportional to 15,631.92, 23,431.50 and 5,765.04 is: 8,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631.92 : 23,431.50 = 5,765.04 : x
  2. Step 2: Convert to fraction form
    15,631.92/23,431.50 = 5,765.04/x
  3. Step 3: Cross multiply
    15,631.92x = 23,431.50 × 5,765.04
  4. Step 4: Simplify right side
    15,631.92x = 135,083,534.76
  5. Step 5: Solve for x
    x = 135,083,534.76/15,631.92
  6. Step 6: Final answer
    x = 8,641.52

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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.