Home / 15,613.60-23,418.96-5,225.44

Finding the Fourth Proportional to 15,613.60, 23,418.96 and 5,225.44

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Solution

The fourth proportional to 15,613.60, 23,418.96 and 5,225.44 is: 7,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613.60 : 23,418.96 = 5,225.44 : x
  2. Step 2: Convert to fraction form
    15,613.60/23,418.96 = 5,225.44/x
  3. Step 3: Cross multiply
    15,613.60x = 23,418.96 × 5,225.44
  4. Step 4: Simplify right side
    15,613.60x = 122,374,370.34
  5. Step 5: Solve for x
    x = 122,374,370.34/15,613.60
  6. Step 6: Final answer
    x = 7,837.68

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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.