Home / 14,720.10-22,081.62-6,397.80

Finding the Fourth Proportional to 14,720.10, 22,081.62 and 6,397.80

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Solution

The fourth proportional to 14,720.10, 22,081.62 and 6,397.80 is: 9,597.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.10 : 22,081.62 = 6,397.80 : x
  2. Step 2: Convert to fraction form
    14,720.10/22,081.62 = 6,397.80/x
  3. Step 3: Cross multiply
    14,720.10x = 22,081.62 × 6,397.80
  4. Step 4: Simplify right side
    14,720.10x = 141,273,788.44
  5. Step 5: Solve for x
    x = 141,273,788.44/14,720.10
  6. Step 6: Final answer
    x = 9,597.34

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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.