Home / 14,818.80-20,449.95-8,104.44

Finding the Fourth Proportional to 14,818.80, 20,449.95 and 8,104.44

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Solution

The fourth proportional to 14,818.80, 20,449.95 and 8,104.44 is: 11,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818.80 : 20,449.95 = 8,104.44 : x
  2. Step 2: Convert to fraction form
    14,818.80/20,449.95 = 8,104.44/x
  3. Step 3: Cross multiply
    14,818.80x = 20,449.95 × 8,104.44
  4. Step 4: Simplify right side
    14,818.80x = 165,735,392.78
  5. Step 5: Solve for x
    x = 165,735,392.78/14,818.80
  6. Step 6: Final answer
    x = 11,184.13

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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.