Home / 13,508.11-20,260.07-5,192.02

Finding the Fourth Proportional to 13,508.11, 20,260.07 and 5,192.02

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Solution

The fourth proportional to 13,508.11, 20,260.07 and 5,192.02 is: 7,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.11 : 20,260.07 = 5,192.02 : x
  2. Step 2: Convert to fraction form
    13,508.11/20,260.07 = 5,192.02/x
  3. Step 3: Cross multiply
    13,508.11x = 20,260.07 × 5,192.02
  4. Step 4: Simplify right side
    13,508.11x = 105,190,561.38
  5. Step 5: Solve for x
    x = 105,190,561.38/13,508.11
  6. Step 6: Final answer
    x = 7,787.22

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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.