Home / 15,042.87-22,564.05-5,181.93

Finding the Fourth Proportional to 15,042.87, 22,564.05 and 5,181.93

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Solution

The fourth proportional to 15,042.87, 22,564.05 and 5,181.93 is: 7,772.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042.87 : 22,564.05 = 5,181.93 : x
  2. Step 2: Convert to fraction form
    15,042.87/22,564.05 = 5,181.93/x
  3. Step 3: Cross multiply
    15,042.87x = 22,564.05 × 5,181.93
  4. Step 4: Simplify right side
    15,042.87x = 116,925,327.62
  5. Step 5: Solve for x
    x = 116,925,327.62/15,042.87
  6. Step 6: Final answer
    x = 7,772.81

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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.