Home / 14,755.20-22,118.40-5,514.72

Finding the Fourth Proportional to 14,755.20, 22,118.40 and 5,514.72

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Solution

The fourth proportional to 14,755.20, 22,118.40 and 5,514.72 is: 8,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,755.20 : 22,118.40 = 5,514.72 : x
  2. Step 2: Convert to fraction form
    14,755.20/22,118.40 = 5,514.72/x
  3. Step 3: Cross multiply
    14,755.20x = 22,118.40 × 5,514.72
  4. Step 4: Simplify right side
    14,755.20x = 121,976,782.85
  5. Step 5: Solve for x
    x = 121,976,782.85/14,755.20
  6. Step 6: Final answer
    x = 8,266.70

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1.5x scale

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.