Home / 15,042.57-22,563.90-5,181.72

Finding the Fourth Proportional to 15,042.57, 22,563.90 and 5,181.72

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Solution

The fourth proportional to 15,042.57, 22,563.90 and 5,181.72 is: 7,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042.57 : 22,563.90 = 5,181.72 : x
  2. Step 2: Convert to fraction form
    15,042.57/22,563.90 = 5,181.72/x
  3. Step 3: Cross multiply
    15,042.57x = 22,563.90 × 5,181.72
  4. Step 4: Simplify right side
    15,042.57x = 116,919,811.91
  5. Step 5: Solve for x
    x = 116,919,811.91/15,042.57
  6. Step 6: Final answer
    x = 7,772.60

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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.