Home / 25,754.76-38,631.87-10,172.25

Finding the Fourth Proportional to 25,754.76, 38,631.87 and 10,172.25

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Solution

The fourth proportional to 25,754.76, 38,631.87 and 10,172.25 is: 15,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,754.76 : 38,631.87 = 10,172.25 : x
  2. Step 2: Convert to fraction form
    25,754.76/38,631.87 = 10,172.25/x
  3. Step 3: Cross multiply
    25,754.76x = 38,631.87 × 10,172.25
  4. Step 4: Simplify right side
    25,754.76x = 392,973,039.61
  5. Step 5: Solve for x
    x = 392,973,039.61/25,754.76
  6. Step 6: Final answer
    x = 15,258.27

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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.