Home / 26,134.88-36,083.49-20,074.28

Finding the Fourth Proportional to 26,134.88, 36,083.49 and 20,074.28

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Solution

The fourth proportional to 26,134.88, 36,083.49 and 20,074.28 is: 27,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,134.88 : 36,083.49 = 20,074.28 : x
  2. Step 2: Convert to fraction form
    26,134.88/36,083.49 = 20,074.28/x
  3. Step 3: Cross multiply
    26,134.88x = 36,083.49 × 20,074.28
  4. Step 4: Simplify right side
    26,134.88x = 724,350,166.54
  5. Step 5: Solve for x
    x = 724,350,166.54/26,134.88
  6. Step 6: Final answer
    x = 27,715.84

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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.