Home / 15,748.24-21,732.56-8,675.04

Finding the Fourth Proportional to 15,748.24, 21,732.56 and 8,675.04

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Solution

The fourth proportional to 15,748.24, 21,732.56 and 8,675.04 is: 11,971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,748.24 : 21,732.56 = 8,675.04 : x
  2. Step 2: Convert to fraction form
    15,748.24/21,732.56 = 8,675.04/x
  3. Step 3: Cross multiply
    15,748.24x = 21,732.56 × 8,675.04
  4. Step 4: Simplify right side
    15,748.24x = 188,530,827.30
  5. Step 5: Solve for x
    x = 188,530,827.30/15,748.24
  6. Step 6: Final answer
    x = 11,971.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.