Home / 13,572.59-20,346.11-6,997.01

Finding the Fourth Proportional to 13,572.59, 20,346.11 and 6,997.01

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Solution

The fourth proportional to 13,572.59, 20,346.11 and 6,997.01 is: 10,488.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.59 : 20,346.11 = 6,997.01 : x
  2. Step 2: Convert to fraction form
    13,572.59/20,346.11 = 6,997.01/x
  3. Step 3: Cross multiply
    13,572.59x = 20,346.11 × 6,997.01
  4. Step 4: Simplify right side
    13,572.59x = 142,361,850.89
  5. Step 5: Solve for x
    x = 142,361,850.89/13,572.59
  6. Step 6: Final answer
    x = 10,488.93

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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.