Home / 25,844.13-38,768.63-7,123.41

Finding the Fourth Proportional to 25,844.13, 38,768.63 and 7,123.41

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Solution

The fourth proportional to 25,844.13, 38,768.63 and 7,123.41 is: 10,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,844.13 : 38,768.63 = 7,123.41 : x
  2. Step 2: Convert to fraction form
    25,844.13/38,768.63 = 7,123.41/x
  3. Step 3: Cross multiply
    25,844.13x = 38,768.63 × 7,123.41
  4. Step 4: Simplify right side
    25,844.13x = 276,164,811.01
  5. Step 5: Solve for x
    x = 276,164,811.01/25,844.13
  6. Step 6: Final answer
    x = 10,685.78

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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.