Home / 13,655.03-20,487.54-5,759.52

Finding the Fourth Proportional to 13,655.03, 20,487.54 and 5,759.52

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Solution

The fourth proportional to 13,655.03, 20,487.54 and 5,759.52 is: 8,641.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.03 : 20,487.54 = 5,759.52 : x
  2. Step 2: Convert to fraction form
    13,655.03/20,487.54 = 5,759.52/x
  3. Step 3: Cross multiply
    13,655.03x = 20,487.54 × 5,759.52
  4. Step 4: Simplify right side
    13,655.03x = 117,998,396.38
  5. Step 5: Solve for x
    x = 117,998,396.38/13,655.03
  6. Step 6: Final answer
    x = 8,641.39

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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.