Home / 15,583.72-23,384.42-5,721.72

Finding the Fourth Proportional to 15,583.72, 23,384.42 and 5,721.72

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Solution

The fourth proportional to 15,583.72, 23,384.42 and 5,721.72 is: 8,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.72 : 23,384.42 = 5,721.72 : x
  2. Step 2: Convert to fraction form
    15,583.72/23,384.42 = 5,721.72/x
  3. Step 3: Cross multiply
    15,583.72x = 23,384.42 × 5,721.72
  4. Step 4: Simplify right side
    15,583.72x = 133,799,103.60
  5. Step 5: Solve for x
    x = 133,799,103.60/15,583.72
  6. Step 6: Final answer
    x = 8,585.83

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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.