Home / 15,909.59-23,867.31-5,236.55

Finding the Fourth Proportional to 15,909.59, 23,867.31 and 5,236.55

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Solution

The fourth proportional to 15,909.59, 23,867.31 and 5,236.55 is: 7,855.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,909.59 : 23,867.31 = 5,236.55 : x
  2. Step 2: Convert to fraction form
    15,909.59/23,867.31 = 5,236.55/x
  3. Step 3: Cross multiply
    15,909.59x = 23,867.31 × 5,236.55
  4. Step 4: Simplify right side
    15,909.59x = 124,982,247.75
  5. Step 5: Solve for x
    x = 124,982,247.75/15,909.59
  6. Step 6: Final answer
    x = 7,855.78

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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.