Home / 26,581.18-36,668.55-20,282.62

Finding the Fourth Proportional to 26,581.18, 36,668.55 and 20,282.62

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Solution

The fourth proportional to 26,581.18, 36,668.55 and 20,282.62 is: 27,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581.18 : 36,668.55 = 20,282.62 : x
  2. Step 2: Convert to fraction form
    26,581.18/36,668.55 = 20,282.62/x
  3. Step 3: Cross multiply
    26,581.18x = 36,668.55 × 20,282.62
  4. Step 4: Simplify right side
    26,581.18x = 743,734,265.60
  5. Step 5: Solve for x
    x = 743,734,265.60/26,581.18
  6. Step 6: Final answer
    x = 27,979.73

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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.