Home / 26,253.79-36,231.20-15,644.41

Finding the Fourth Proportional to 26,253.79, 36,231.20 and 15,644.41

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Solution

The fourth proportional to 26,253.79, 36,231.20 and 15,644.41 is: 21,589.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,253.79 : 36,231.20 = 15,644.41 : x
  2. Step 2: Convert to fraction form
    26,253.79/36,231.20 = 15,644.41/x
  3. Step 3: Cross multiply
    26,253.79x = 36,231.20 × 15,644.41
  4. Step 4: Simplify right side
    26,253.79x = 566,815,637.46
  5. Step 5: Solve for x
    x = 566,815,637.46/26,253.79
  6. Step 6: Final answer
    x = 21,589.86

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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.