Home / 26,637.26-36,761.49-15,310.70

Finding the Fourth Proportional to 26,637.26, 36,761.49 and 15,310.70

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Solution

The fourth proportional to 26,637.26, 36,761.49 and 15,310.70 is: 21,129.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,637.26 : 36,761.49 = 15,310.70 : x
  2. Step 2: Convert to fraction form
    26,637.26/36,761.49 = 15,310.70/x
  3. Step 3: Cross multiply
    26,637.26x = 36,761.49 × 15,310.70
  4. Step 4: Simplify right side
    26,637.26x = 562,843,961.14
  5. Step 5: Solve for x
    x = 562,843,961.14/26,637.26
  6. Step 6: Final answer
    x = 21,129.95

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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.