Home / 15,645.62-23,468.79-5,257.46

Finding the Fourth Proportional to 15,645.62, 23,468.79 and 5,257.46

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Solution

The fourth proportional to 15,645.62, 23,468.79 and 5,257.46 is: 7,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.62 : 23,468.79 = 5,257.46 : x
  2. Step 2: Convert to fraction form
    15,645.62/23,468.79 = 5,257.46/x
  3. Step 3: Cross multiply
    15,645.62x = 23,468.79 × 5,257.46
  4. Step 4: Simplify right side
    15,645.62x = 123,386,224.67
  5. Step 5: Solve for x
    x = 123,386,224.67/15,645.62
  6. Step 6: Final answer
    x = 7,886.31

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1.5x scale

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.