Home / 15,113.75-22,672.31-4,020.86

Finding the Fourth Proportional to 15,113.75, 22,672.31 and 4,020.86

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Solution

The fourth proportional to 15,113.75, 22,672.31 and 4,020.86 is: 6,031.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113.75 : 22,672.31 = 4,020.86 : x
  2. Step 2: Convert to fraction form
    15,113.75/22,672.31 = 4,020.86/x
  3. Step 3: Cross multiply
    15,113.75x = 22,672.31 × 4,020.86
  4. Step 4: Simplify right side
    15,113.75x = 91,162,220.96
  5. Step 5: Solve for x
    x = 91,162,220.96/15,113.75
  6. Step 6: Final answer
    x = 6,031.74

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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.