Home / 17,711.41-26,358.03-17,120.83

Finding the Fourth Proportional to 17,711.41, 26,358.03 and 17,120.83

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Solution

The fourth proportional to 17,711.41, 26,358.03 and 17,120.83 is: 25,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,711.41 : 26,358.03 = 17,120.83 : x
  2. Step 2: Convert to fraction form
    17,711.41/26,358.03 = 17,120.83/x
  3. Step 3: Cross multiply
    17,711.41x = 26,358.03 × 17,120.83
  4. Step 4: Simplify right side
    17,711.41x = 451,271,350.76
  5. Step 5: Solve for x
    x = 451,271,350.76/17,711.41
  6. Step 6: Final answer
    x = 25,479.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.