Home / 20,251.24-27,946.62-11,298.21

Finding the Fourth Proportional to 20,251.24, 27,946.62 and 11,298.21

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Solution

The fourth proportional to 20,251.24, 27,946.62 and 11,298.21 is: 15,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.24 : 27,946.62 = 11,298.21 : x
  2. Step 2: Convert to fraction form
    20,251.24/27,946.62 = 11,298.21/x
  3. Step 3: Cross multiply
    20,251.24x = 27,946.62 × 11,298.21
  4. Step 4: Simplify right side
    20,251.24x = 315,746,781.55
  5. Step 5: Solve for x
    x = 315,746,781.55/20,251.24
  6. Step 6: Final answer
    x = 15,591.48

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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.