Home / 14,175.20-19,561.77-8,207.18

Finding the Fourth Proportional to 14,175.20, 19,561.77 and 8,207.18

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Solution

The fourth proportional to 14,175.20, 19,561.77 and 8,207.18 is: 11,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.20 : 19,561.77 = 8,207.18 : x
  2. Step 2: Convert to fraction form
    14,175.20/19,561.77 = 8,207.18/x
  3. Step 3: Cross multiply
    14,175.20x = 19,561.77 × 8,207.18
  4. Step 4: Simplify right side
    14,175.20x = 160,546,869.70
  5. Step 5: Solve for x
    x = 160,546,869.70/14,175.20
  6. Step 6: Final answer
    x = 11,325.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.