Home / 25,803.18-38,711.43-8,273.16

Finding the Fourth Proportional to 25,803.18, 38,711.43 and 8,273.16

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Solution

The fourth proportional to 25,803.18, 38,711.43 and 8,273.16 is: 12,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,803.18 : 38,711.43 = 8,273.16 : x
  2. Step 2: Convert to fraction form
    25,803.18/38,711.43 = 8,273.16/x
  3. Step 3: Cross multiply
    25,803.18x = 38,711.43 × 8,273.16
  4. Step 4: Simplify right side
    25,803.18x = 320,265,854.22
  5. Step 5: Solve for x
    x = 320,265,854.22/25,803.18
  6. Step 6: Final answer
    x = 12,411.88

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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.