Home / 25,468.56-38,202.96-7,938.72

Finding the Fourth Proportional to 25,468.56, 38,202.96 and 7,938.72

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Solution

The fourth proportional to 25,468.56, 38,202.96 and 7,938.72 is: 11,908.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,468.56 : 38,202.96 = 7,938.72 : x
  2. Step 2: Convert to fraction form
    25,468.56/38,202.96 = 7,938.72/x
  3. Step 3: Cross multiply
    25,468.56x = 38,202.96 × 7,938.72
  4. Step 4: Simplify right side
    25,468.56x = 303,282,602.61
  5. Step 5: Solve for x
    x = 303,282,602.61/25,468.56
  6. Step 6: Final answer
    x = 11,908.12

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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.