Home / 26,278.44-36,257.46-15,660.56

Finding the Fourth Proportional to 26,278.44, 36,257.46 and 15,660.56

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Solution

The fourth proportional to 26,278.44, 36,257.46 and 15,660.56 is: 21,607.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.44 : 36,257.46 = 15,660.56 : x
  2. Step 2: Convert to fraction form
    26,278.44/36,257.46 = 15,660.56/x
  3. Step 3: Cross multiply
    26,278.44x = 36,257.46 × 15,660.56
  4. Step 4: Simplify right side
    26,278.44x = 567,811,946.49
  5. Step 5: Solve for x
    x = 567,811,946.49/26,278.44
  6. Step 6: Final answer
    x = 21,607.52

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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.