Home / 23,132.30-34,673.60-9,990.86

Finding the Fourth Proportional to 23,132.30, 34,673.60 and 9,990.86

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Solution

The fourth proportional to 23,132.30, 34,673.60 and 9,990.86 is: 14,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,132.30 : 34,673.60 = 9,990.86 : x
  2. Step 2: Convert to fraction form
    23,132.30/34,673.60 = 9,990.86/x
  3. Step 3: Cross multiply
    23,132.30x = 34,673.60 × 9,990.86
  4. Step 4: Simplify right side
    23,132.30x = 346,419,083.30
  5. Step 5: Solve for x
    x = 346,419,083.30/23,132.30
  6. Step 6: Final answer
    x = 14,975.56

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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.