Home / 13,624.52-20,437.65-3,629.10

Finding the Fourth Proportional to 13,624.52, 20,437.65 and 3,629.10

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Solution

The fourth proportional to 13,624.52, 20,437.65 and 3,629.10 is: 5,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.52 : 20,437.65 = 3,629.10 : x
  2. Step 2: Convert to fraction form
    13,624.52/20,437.65 = 3,629.10/x
  3. Step 3: Cross multiply
    13,624.52x = 20,437.65 × 3,629.10
  4. Step 4: Simplify right side
    13,624.52x = 74,170,257.47
  5. Step 5: Solve for x
    x = 74,170,257.47/13,624.52
  6. Step 6: Final answer
    x = 5,443.88

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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.