Home / 22,731.18-34,102.14-7,148.81

Finding the Fourth Proportional to 22,731.18, 34,102.14 and 7,148.81

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Solution

The fourth proportional to 22,731.18, 34,102.14 and 7,148.81 is: 10,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,731.18 : 34,102.14 = 7,148.81 : x
  2. Step 2: Convert to fraction form
    22,731.18/34,102.14 = 7,148.81/x
  3. Step 3: Cross multiply
    22,731.18x = 34,102.14 × 7,148.81
  4. Step 4: Simplify right side
    22,731.18x = 243,789,719.45
  5. Step 5: Solve for x
    x = 243,789,719.45/22,731.18
  6. Step 6: Final answer
    x = 10,724.90

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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.