Home / 20,148.27-27,802.10-11,195.13

Finding the Fourth Proportional to 20,148.27, 27,802.10 and 11,195.13

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Solution

The fourth proportional to 20,148.27, 27,802.10 and 11,195.13 is: 15,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148.27 : 27,802.10 = 11,195.13 : x
  2. Step 2: Convert to fraction form
    20,148.27/27,802.10 = 11,195.13/x
  3. Step 3: Cross multiply
    20,148.27x = 27,802.10 × 11,195.13
  4. Step 4: Simplify right side
    20,148.27x = 311,248,123.77
  5. Step 5: Solve for x
    x = 311,248,123.77/20,148.27
  6. Step 6: Final answer
    x = 15,447.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.