Home / 25,748.04-38,621.52-8,217.57

Finding the Fourth Proportional to 25,748.04, 38,621.52 and 8,217.57

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Solution

The fourth proportional to 25,748.04, 38,621.52 and 8,217.57 is: 12,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,748.04 : 38,621.52 = 8,217.57 : x
  2. Step 2: Convert to fraction form
    25,748.04/38,621.52 = 8,217.57/x
  3. Step 3: Cross multiply
    25,748.04x = 38,621.52 × 8,217.57
  4. Step 4: Simplify right side
    25,748.04x = 317,375,044.11
  5. Step 5: Solve for x
    x = 317,375,044.11/25,748.04
  6. Step 6: Final answer
    x = 12,326.18

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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.