Home / 15,133.20-22,702.12-4,040.76

Finding the Fourth Proportional to 15,133.20, 22,702.12 and 4,040.76

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Solution

The fourth proportional to 15,133.20, 22,702.12 and 4,040.76 is: 6,061.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133.20 : 22,702.12 = 4,040.76 : x
  2. Step 2: Convert to fraction form
    15,133.20/22,702.12 = 4,040.76/x
  3. Step 3: Cross multiply
    15,133.20x = 22,702.12 × 4,040.76
  4. Step 4: Simplify right side
    15,133.20x = 91,733,818.41
  5. Step 5: Solve for x
    x = 91,733,818.41/15,133.20
  6. Step 6: Final answer
    x = 6,061.76

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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.