Home / 26,110.91-36,042.42-15,500.55

Finding the Fourth Proportional to 26,110.91, 36,042.42 and 15,500.55

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Solution

The fourth proportional to 26,110.91, 36,042.42 and 15,500.55 is: 21,396.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,110.91 : 36,042.42 = 15,500.55 : x
  2. Step 2: Convert to fraction form
    26,110.91/36,042.42 = 15,500.55/x
  3. Step 3: Cross multiply
    26,110.91x = 36,042.42 × 15,500.55
  4. Step 4: Simplify right side
    26,110.91x = 558,677,320.26
  5. Step 5: Solve for x
    x = 558,677,320.26/26,110.91
  6. Step 6: Final answer
    x = 21,396.32

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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.