Home / 25,383.24-38,076.48-7,853.76

Finding the Fourth Proportional to 25,383.24, 38,076.48 and 7,853.76

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Solution

The fourth proportional to 25,383.24, 38,076.48 and 7,853.76 is: 11,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.24 : 38,076.48 = 7,853.76 : x
  2. Step 2: Convert to fraction form
    25,383.24/38,076.48 = 7,853.76/x
  3. Step 3: Cross multiply
    25,383.24x = 38,076.48 × 7,853.76
  4. Step 4: Simplify right side
    25,383.24x = 299,043,535.56
  5. Step 5: Solve for x
    x = 299,043,535.56/25,383.24
  6. Step 6: Final answer
    x = 11,781.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.