Home / 26,351.39-36,360.70-15,020.91

Finding the Fourth Proportional to 26,351.39, 36,360.70 and 15,020.91

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Solution

The fourth proportional to 26,351.39, 36,360.70 and 15,020.91 is: 20,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,351.39 : 36,360.70 = 15,020.91 : x
  2. Step 2: Convert to fraction form
    26,351.39/36,360.70 = 15,020.91/x
  3. Step 3: Cross multiply
    26,351.39x = 36,360.70 × 15,020.91
  4. Step 4: Simplify right side
    26,351.39x = 546,170,764.68
  5. Step 5: Solve for x
    x = 546,170,764.68/26,351.39
  6. Step 6: Final answer
    x = 20,726.45

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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.