Home / 25,982.79-38,974.53-7,261.74

Finding the Fourth Proportional to 25,982.79, 38,974.53 and 7,261.74

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Solution

The fourth proportional to 25,982.79, 38,974.53 and 7,261.74 is: 10,892.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,982.79 : 38,974.53 = 7,261.74 : x
  2. Step 2: Convert to fraction form
    25,982.79/38,974.53 = 7,261.74/x
  3. Step 3: Cross multiply
    25,982.79x = 38,974.53 × 7,261.74
  4. Step 4: Simplify right side
    25,982.79x = 283,022,903.48
  5. Step 5: Solve for x
    x = 283,022,903.48/25,982.79
  6. Step 6: Final answer
    x = 10,892.71

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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.