Home / 15,385.16-23,078.87-5,524.53

Finding the Fourth Proportional to 15,385.16, 23,078.87 and 5,524.53

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Solution

The fourth proportional to 15,385.16, 23,078.87 and 5,524.53 is: 8,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.16 : 23,078.87 = 5,524.53 : x
  2. Step 2: Convert to fraction form
    15,385.16/23,078.87 = 5,524.53/x
  3. Step 3: Cross multiply
    15,385.16x = 23,078.87 × 5,524.53
  4. Step 4: Simplify right side
    15,385.16x = 127,499,909.68
  5. Step 5: Solve for x
    x = 127,499,909.68/15,385.16
  6. Step 6: Final answer
    x = 8,287.20

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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.