Home / 15,731.91-23,601.36-5,205.24

Finding the Fourth Proportional to 15,731.91, 23,601.36 and 5,205.24

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Solution

The fourth proportional to 15,731.91, 23,601.36 and 5,205.24 is: 7,809.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,731.91 : 23,601.36 = 5,205.24 : x
  2. Step 2: Convert to fraction form
    15,731.91/23,601.36 = 5,205.24/x
  3. Step 3: Cross multiply
    15,731.91x = 23,601.36 × 5,205.24
  4. Step 4: Simplify right side
    15,731.91x = 122,850,743.13
  5. Step 5: Solve for x
    x = 122,850,743.13/15,731.91
  6. Step 6: Final answer
    x = 7,809.02

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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.