Home / 25,613.03-38,418.19-7,843.72

Finding the Fourth Proportional to 25,613.03, 38,418.19 and 7,843.72

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Solution

The fourth proportional to 25,613.03, 38,418.19 and 7,843.72 is: 11,765.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.03 : 38,418.19 = 7,843.72 : x
  2. Step 2: Convert to fraction form
    25,613.03/38,418.19 = 7,843.72/x
  3. Step 3: Cross multiply
    25,613.03x = 38,418.19 × 7,843.72
  4. Step 4: Simplify right side
    25,613.03x = 301,341,525.27
  5. Step 5: Solve for x
    x = 301,341,525.27/25,613.03
  6. Step 6: Final answer
    x = 11,765.17

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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.