Home / 13,535.12-20,306.13-5,635.01

Finding the Fourth Proportional to 13,535.12, 20,306.13 and 5,635.01

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Solution

The fourth proportional to 13,535.12, 20,306.13 and 5,635.01 is: 8,453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.12 : 20,306.13 = 5,635.01 : x
  2. Step 2: Convert to fraction form
    13,535.12/20,306.13 = 5,635.01/x
  3. Step 3: Cross multiply
    13,535.12x = 20,306.13 × 5,635.01
  4. Step 4: Simplify right side
    13,535.12x = 114,425,296.38
  5. Step 5: Solve for x
    x = 114,425,296.38/13,535.12
  6. Step 6: Final answer
    x = 8,453.96

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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.