Home / 25,251.76-34,848.24-13,921.80

Finding the Fourth Proportional to 25,251.76, 34,848.24 and 13,921.80

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Solution

The fourth proportional to 25,251.76, 34,848.24 and 13,921.80 is: 19,212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.76 : 34,848.24 = 13,921.80 : x
  2. Step 2: Convert to fraction form
    25,251.76/34,848.24 = 13,921.80/x
  3. Step 3: Cross multiply
    25,251.76x = 34,848.24 × 13,921.80
  4. Step 4: Simplify right side
    25,251.76x = 485,150,227.63
  5. Step 5: Solve for x
    x = 485,150,227.63/25,251.76
  6. Step 6: Final answer
    x = 19,212.53

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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.