Home / 26,158.88-36,102.38-15,548.56

Finding the Fourth Proportional to 26,158.88, 36,102.38 and 15,548.56

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Solution

The fourth proportional to 26,158.88, 36,102.38 and 15,548.56 is: 21,458.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,158.88 : 36,102.38 = 15,548.56 : x
  2. Step 2: Convert to fraction form
    26,158.88/36,102.38 = 15,548.56/x
  3. Step 3: Cross multiply
    26,158.88x = 36,102.38 × 15,548.56
  4. Step 4: Simplify right side
    26,158.88x = 561,339,853.57
  5. Step 5: Solve for x
    x = 561,339,853.57/26,158.88
  6. Step 6: Final answer
    x = 21,458.86

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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.