Home / 15,961.20-23,952.60-7,191.60

Finding the Fourth Proportional to 15,961.20, 23,952.60 and 7,191.60

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Solution

The fourth proportional to 15,961.20, 23,952.60 and 7,191.60 is: 10,792.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.20 : 23,952.60 = 7,191.60 : x
  2. Step 2: Convert to fraction form
    15,961.20/23,952.60 = 7,191.60/x
  3. Step 3: Cross multiply
    15,961.20x = 23,952.60 × 7,191.60
  4. Step 4: Simplify right side
    15,961.20x = 172,257,518.16
  5. Step 5: Solve for x
    x = 172,257,518.16/15,961.20
  6. Step 6: Final answer
    x = 10,792.27

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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.