Home / 19,631.93-29,432.41-9,765.83

Finding the Fourth Proportional to 19,631.93, 29,432.41 and 9,765.83

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Solution

The fourth proportional to 19,631.93, 29,432.41 and 9,765.83 is: 14,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.93 : 29,432.41 = 9,765.83 : x
  2. Step 2: Convert to fraction form
    19,631.93/29,432.41 = 9,765.83/x
  3. Step 3: Cross multiply
    19,631.93x = 29,432.41 × 9,765.83
  4. Step 4: Simplify right side
    19,631.93x = 287,431,912.55
  5. Step 5: Solve for x
    x = 287,431,912.55/19,631.93
  6. Step 6: Final answer
    x = 14,641.04

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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.