Home / 20,033.39-27,648.14-11,535.86

Finding the Fourth Proportional to 20,033.39, 27,648.14 and 11,535.86

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Solution

The fourth proportional to 20,033.39, 27,648.14 and 11,535.86 is: 15,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.39 : 27,648.14 = 11,535.86 : x
  2. Step 2: Convert to fraction form
    20,033.39/27,648.14 = 11,535.86/x
  3. Step 3: Cross multiply
    20,033.39x = 27,648.14 × 11,535.86
  4. Step 4: Simplify right side
    20,033.39x = 318,944,876.38
  5. Step 5: Solve for x
    x = 318,944,876.38/20,033.39
  6. Step 6: Final answer
    x = 15,920.67

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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.