Home / 17,613.20-26,422.71-8,728.94

Finding the Fourth Proportional to 17,613.20, 26,422.71 and 8,728.94

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Solution

The fourth proportional to 17,613.20, 26,422.71 and 8,728.94 is: 13,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,613.20 : 26,422.71 = 8,728.94 : x
  2. Step 2: Convert to fraction form
    17,613.20/26,422.71 = 8,728.94/x
  3. Step 3: Cross multiply
    17,613.20x = 26,422.71 × 8,728.94
  4. Step 4: Simplify right side
    17,613.20x = 230,642,209.24
  5. Step 5: Solve for x
    x = 230,642,209.24/17,613.20
  6. Step 6: Final answer
    x = 13,094.85

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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.