Home / 17,685.92-26,634.20-15,404.96

Finding the Fourth Proportional to 17,685.92, 26,634.20 and 15,404.96

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Solution

The fourth proportional to 17,685.92, 26,634.20 and 15,404.96 is: 23,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,685.92 : 26,634.20 = 15,404.96 : x
  2. Step 2: Convert to fraction form
    17,685.92/26,634.20 = 15,404.96/x
  3. Step 3: Cross multiply
    17,685.92x = 26,634.20 × 15,404.96
  4. Step 4: Simplify right side
    17,685.92x = 410,298,785.63
  5. Step 5: Solve for x
    x = 410,298,785.63/17,685.92
  6. Step 6: Final answer
    x = 23,199.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.