Home / 26,122.84-36,025.14-20,144.92

Finding the Fourth Proportional to 26,122.84, 36,025.14 and 20,144.92

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Solution

The fourth proportional to 26,122.84, 36,025.14 and 20,144.92 is: 27,781.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,122.84 : 36,025.14 = 20,144.92 : x
  2. Step 2: Convert to fraction form
    26,122.84/36,025.14 = 20,144.92/x
  3. Step 3: Cross multiply
    26,122.84x = 36,025.14 × 20,144.92
  4. Step 4: Simplify right side
    26,122.84x = 725,723,563.29
  5. Step 5: Solve for x
    x = 725,723,563.29/26,122.84
  6. Step 6: Final answer
    x = 27,781.19

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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.