Home / 13,535.36-20,306.50-5,635.25

Finding the Fourth Proportional to 13,535.36, 20,306.50 and 5,635.25

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Solution

The fourth proportional to 13,535.36, 20,306.50 and 5,635.25 is: 8,454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.36 : 20,306.50 = 5,635.25 : x
  2. Step 2: Convert to fraction form
    13,535.36/20,306.50 = 5,635.25/x
  3. Step 3: Cross multiply
    13,535.36x = 20,306.50 × 5,635.25
  4. Step 4: Simplify right side
    13,535.36x = 114,432,204.13
  5. Step 5: Solve for x
    x = 114,432,204.13/13,535.36
  6. Step 6: Final answer
    x = 8,454.32

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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.