Home / 15,439.83-23,159.53-3,753.06

Finding the Fourth Proportional to 15,439.83, 23,159.53 and 3,753.06

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Solution

The fourth proportional to 15,439.83, 23,159.53 and 3,753.06 is: 5,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.83 : 23,159.53 = 3,753.06 : x
  2. Step 2: Convert to fraction form
    15,439.83/23,159.53 = 3,753.06/x
  3. Step 3: Cross multiply
    15,439.83x = 23,159.53 × 3,753.06
  4. Step 4: Simplify right side
    15,439.83x = 86,919,105.66
  5. Step 5: Solve for x
    x = 86,919,105.66/15,439.83
  6. Step 6: Final answer
    x = 5,629.54

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Similar ratio
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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.