Home / 26,375.06-36,400.05-15,764.46

Finding the Fourth Proportional to 26,375.06, 36,400.05 and 15,764.46

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Solution

The fourth proportional to 26,375.06, 36,400.05 and 15,764.46 is: 21,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,375.06 : 36,400.05 = 15,764.46 : x
  2. Step 2: Convert to fraction form
    26,375.06/36,400.05 = 15,764.46/x
  3. Step 3: Cross multiply
    26,375.06x = 36,400.05 × 15,764.46
  4. Step 4: Simplify right side
    26,375.06x = 573,827,132.22
  5. Step 5: Solve for x
    x = 573,827,132.22/26,375.06
  6. Step 6: Final answer
    x = 21,756.43

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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.