Home / 26,390.17-36,418.43-14,453.54

Finding the Fourth Proportional to 26,390.17, 36,418.43 and 14,453.54

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Solution

The fourth proportional to 26,390.17, 36,418.43 and 14,453.54 is: 19,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.17 : 36,418.43 = 14,453.54 : x
  2. Step 2: Convert to fraction form
    26,390.17/36,418.43 = 14,453.54/x
  3. Step 3: Cross multiply
    26,390.17x = 36,418.43 × 14,453.54
  4. Step 4: Simplify right side
    26,390.17x = 526,375,034.58
  5. Step 5: Solve for x
    x = 526,375,034.58/26,390.17
  6. Step 6: Final answer
    x = 19,945.88

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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.