Home / 13,453.30-20,182.11-5,132.98

Finding the Fourth Proportional to 13,453.30, 20,182.11 and 5,132.98

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Solution

The fourth proportional to 13,453.30, 20,182.11 and 5,132.98 is: 7,700.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.30 : 20,182.11 = 5,132.98 : x
  2. Step 2: Convert to fraction form
    13,453.30/20,182.11 = 5,132.98/x
  3. Step 3: Cross multiply
    13,453.30x = 20,182.11 × 5,132.98
  4. Step 4: Simplify right side
    13,453.30x = 103,594,366.99
  5. Step 5: Solve for x
    x = 103,594,366.99/13,453.30
  6. Step 6: Final answer
    x = 7,700.29

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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.