Home / 25,981.56-38,968.02-9,338.22

Finding the Fourth Proportional to 25,981.56, 38,968.02 and 9,338.22

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Solution

The fourth proportional to 25,981.56, 38,968.02 and 9,338.22 is: 14,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981.56 : 38,968.02 = 9,338.22 : x
  2. Step 2: Convert to fraction form
    25,981.56/38,968.02 = 9,338.22/x
  3. Step 3: Cross multiply
    25,981.56x = 38,968.02 × 9,338.22
  4. Step 4: Simplify right side
    25,981.56x = 363,891,943.72
  5. Step 5: Solve for x
    x = 363,891,943.72/25,981.56
  6. Step 6: Final answer
    x = 14,005.78

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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.