Home / 18,613.17-25,690.59-10,659.96

Finding the Fourth Proportional to 18,613.17, 25,690.59 and 10,659.96

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Solution

The fourth proportional to 18,613.17, 25,690.59 and 10,659.96 is: 14,713.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.17 : 25,690.59 = 10,659.96 : x
  2. Step 2: Convert to fraction form
    18,613.17/25,690.59 = 10,659.96/x
  3. Step 3: Cross multiply
    18,613.17x = 25,690.59 × 10,659.96
  4. Step 4: Simplify right side
    18,613.17x = 273,860,661.78
  5. Step 5: Solve for x
    x = 273,860,661.78/18,613.17
  6. Step 6: Final answer
    x = 14,713.27

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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.