Home / 14,929.78-22,378.20-6,159.88

Finding the Fourth Proportional to 14,929.78, 22,378.20 and 6,159.88

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Solution

The fourth proportional to 14,929.78, 22,378.20 and 6,159.88 is: 9,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929.78 : 22,378.20 = 6,159.88 : x
  2. Step 2: Convert to fraction form
    14,929.78/22,378.20 = 6,159.88/x
  3. Step 3: Cross multiply
    14,929.78x = 22,378.20 × 6,159.88
  4. Step 4: Simplify right side
    14,929.78x = 137,847,026.62
  5. Step 5: Solve for x
    x = 137,847,026.62/14,929.78
  6. Step 6: Final answer
    x = 9,233.02

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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.