Home / 23,147.92-34,720.44-9,991.04

Finding the Fourth Proportional to 23,147.92, 34,720.44 and 9,991.04

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Solution

The fourth proportional to 23,147.92, 34,720.44 and 9,991.04 is: 14,985.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,147.92 : 34,720.44 = 9,991.04 : x
  2. Step 2: Convert to fraction form
    23,147.92/34,720.44 = 9,991.04/x
  3. Step 3: Cross multiply
    23,147.92x = 34,720.44 × 9,991.04
  4. Step 4: Simplify right side
    23,147.92x = 346,893,304.86
  5. Step 5: Solve for x
    x = 346,893,304.86/23,147.92
  6. Step 6: Final answer
    x = 14,985.94

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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.