Home / 26,251.58-36,221.55-15,644.72

Finding the Fourth Proportional to 26,251.58, 36,221.55 and 15,644.72

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Solution

The fourth proportional to 26,251.58, 36,221.55 and 15,644.72 is: 21,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,251.58 : 36,221.55 = 15,644.72 : x
  2. Step 2: Convert to fraction form
    26,251.58/36,221.55 = 15,644.72/x
  3. Step 3: Cross multiply
    26,251.58x = 36,221.55 × 15,644.72
  4. Step 4: Simplify right side
    26,251.58x = 566,676,007.72
  5. Step 5: Solve for x
    x = 566,676,007.72/26,251.58
  6. Step 6: Final answer
    x = 21,586.36

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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.