Home / 20,626.11-28,463.17-11,674.10

Finding the Fourth Proportional to 20,626.11, 28,463.17 and 11,674.10

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Solution

The fourth proportional to 20,626.11, 28,463.17 and 11,674.10 is: 16,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.11 : 28,463.17 = 11,674.10 : x
  2. Step 2: Convert to fraction form
    20,626.11/28,463.17 = 11,674.10/x
  3. Step 3: Cross multiply
    20,626.11x = 28,463.17 × 11,674.10
  4. Step 4: Simplify right side
    20,626.11x = 332,281,934.87
  5. Step 5: Solve for x
    x = 332,281,934.87/20,626.11
  6. Step 6: Final answer
    x = 16,109.77

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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.