Home / 13,358.11-20,047.01-6,338.15

Finding the Fourth Proportional to 13,358.11, 20,047.01 and 6,338.15

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Solution

The fourth proportional to 13,358.11, 20,047.01 and 6,338.15 is: 9,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.11 : 20,047.01 = 6,338.15 : x
  2. Step 2: Convert to fraction form
    13,358.11/20,047.01 = 6,338.15/x
  3. Step 3: Cross multiply
    13,358.11x = 20,047.01 × 6,338.15
  4. Step 4: Simplify right side
    13,358.11x = 127,060,956.43
  5. Step 5: Solve for x
    x = 127,060,956.43/13,358.11
  6. Step 6: Final answer
    x = 9,511.90

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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.