Home / 26,270.57-36,253.45-14,939.78

Finding the Fourth Proportional to 26,270.57, 36,253.45 and 14,939.78

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Solution

The fourth proportional to 26,270.57, 36,253.45 and 14,939.78 is: 20,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,270.57 : 36,253.45 = 14,939.78 : x
  2. Step 2: Convert to fraction form
    26,270.57/36,253.45 = 14,939.78/x
  3. Step 3: Cross multiply
    26,270.57x = 36,253.45 × 14,939.78
  4. Step 4: Simplify right side
    26,270.57x = 541,618,620.53
  5. Step 5: Solve for x
    x = 541,618,620.53/26,270.57
  6. Step 6: Final answer
    x = 20,616.93

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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.