Home / 26,755.93-36,923.09-15,425.38

Finding the Fourth Proportional to 26,755.93, 36,923.09 and 15,425.38

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Solution

The fourth proportional to 26,755.93, 36,923.09 and 15,425.38 is: 21,286.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,755.93 : 36,923.09 = 15,425.38 : x
  2. Step 2: Convert to fraction form
    26,755.93/36,923.09 = 15,425.38/x
  3. Step 3: Cross multiply
    26,755.93x = 36,923.09 × 15,425.38
  4. Step 4: Simplify right side
    26,755.93x = 569,552,432.28
  5. Step 5: Solve for x
    x = 569,552,432.28/26,755.93
  6. Step 6: Final answer
    x = 21,286.96

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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.