Home / 26,155.41-36,091.75-15,542.98

Finding the Fourth Proportional to 26,155.41, 36,091.75 and 15,542.98

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Solution

The fourth proportional to 26,155.41, 36,091.75 and 15,542.98 is: 21,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,155.41 : 36,091.75 = 15,542.98 : x
  2. Step 2: Convert to fraction form
    26,155.41/36,091.75 = 15,542.98/x
  3. Step 3: Cross multiply
    26,155.41x = 36,091.75 × 15,542.98
  4. Step 4: Simplify right side
    26,155.41x = 560,973,348.42
  5. Step 5: Solve for x
    x = 560,973,348.42/26,155.41
  6. Step 6: Final answer
    x = 21,447.70

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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.