Home / 26,170.89-36,112.55-17,691.45

Finding the Fourth Proportional to 26,170.89, 36,112.55 and 17,691.45

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Solution

The fourth proportional to 26,170.89, 36,112.55 and 17,691.45 is: 24,411.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,170.89 : 36,112.55 = 17,691.45 : x
  2. Step 2: Convert to fraction form
    26,170.89/36,112.55 = 17,691.45/x
  3. Step 3: Cross multiply
    26,170.89x = 36,112.55 × 17,691.45
  4. Step 4: Simplify right side
    26,170.89x = 638,883,451.47
  5. Step 5: Solve for x
    x = 638,883,451.47/26,170.89
  6. Step 6: Final answer
    x = 24,411.99

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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.