Home / 26,107.62-39,168.11-12,077.71

Finding the Fourth Proportional to 26,107.62, 39,168.11 and 12,077.71

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Solution

The fourth proportional to 26,107.62, 39,168.11 and 12,077.71 is: 18,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,107.62 : 39,168.11 = 12,077.71 : x
  2. Step 2: Convert to fraction form
    26,107.62/39,168.11 = 12,077.71/x
  3. Step 3: Cross multiply
    26,107.62x = 39,168.11 × 12,077.71
  4. Step 4: Simplify right side
    26,107.62x = 473,060,938.16
  5. Step 5: Solve for x
    x = 473,060,938.16/26,107.62
  6. Step 6: Final answer
    x = 18,119.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.