Home / 10,019.88-15,023.82-4,470.44

Finding the Fourth Proportional to 10,019.88, 15,023.82 and 4,470.44

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Solution

The fourth proportional to 10,019.88, 15,023.82 and 4,470.44 is: 6,702.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.88 : 15,023.82 = 4,470.44 : x
  2. Step 2: Convert to fraction form
    10,019.88/15,023.82 = 4,470.44/x
  3. Step 3: Cross multiply
    10,019.88x = 15,023.82 × 4,470.44
  4. Step 4: Simplify right side
    10,019.88x = 67,163,085.88
  5. Step 5: Solve for x
    x = 67,163,085.88/10,019.88
  6. Step 6: Final answer
    x = 6,702.98

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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.