Home / 26,277.49-36,253.44-20,229.58

Finding the Fourth Proportional to 26,277.49, 36,253.44 and 20,229.58

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Solution

The fourth proportional to 26,277.49, 36,253.44 and 20,229.58 is: 27,909.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,277.49 : 36,253.44 = 20,229.58 : x
  2. Step 2: Convert to fraction form
    26,277.49/36,253.44 = 20,229.58/x
  3. Step 3: Cross multiply
    26,277.49x = 36,253.44 × 20,229.58
  4. Step 4: Simplify right side
    26,277.49x = 733,391,864.76
  5. Step 5: Solve for x
    x = 733,391,864.76/26,277.49
  6. Step 6: Final answer
    x = 27,909.51

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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.