Home / 14,540.16-21,809.78-4,151.90

Finding the Fourth Proportional to 14,540.16, 21,809.78 and 4,151.90

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Solution

The fourth proportional to 14,540.16, 21,809.78 and 4,151.90 is: 6,227.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.16 : 21,809.78 = 4,151.90 : x
  2. Step 2: Convert to fraction form
    14,540.16/21,809.78 = 4,151.90/x
  3. Step 3: Cross multiply
    14,540.16x = 21,809.78 × 4,151.90
  4. Step 4: Simplify right side
    14,540.16x = 90,552,025.58
  5. Step 5: Solve for x
    x = 90,552,025.58/14,540.16
  6. Step 6: Final answer
    x = 6,227.72

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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.