Home / 14,540.74-21,809.04-4,680.88

Finding the Fourth Proportional to 14,540.74, 21,809.04 and 4,680.88

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Solution

The fourth proportional to 14,540.74, 21,809.04 and 4,680.88 is: 7,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.74 : 21,809.04 = 4,680.88 : x
  2. Step 2: Convert to fraction form
    14,540.74/21,809.04 = 4,680.88/x
  3. Step 3: Cross multiply
    14,540.74x = 21,809.04 × 4,680.88
  4. Step 4: Simplify right side
    14,540.74x = 102,085,499.16
  5. Step 5: Solve for x
    x = 102,085,499.16/14,540.74
  6. Step 6: Final answer
    x = 7,020.65

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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.