Home / 14,818.26-20,449.71-8,104.32

Finding the Fourth Proportional to 14,818.26, 20,449.71 and 8,104.32

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Solution

The fourth proportional to 14,818.26, 20,449.71 and 8,104.32 is: 11,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818.26 : 20,449.71 = 8,104.32 : x
  2. Step 2: Convert to fraction form
    14,818.26/20,449.71 = 8,104.32/x
  3. Step 3: Cross multiply
    14,818.26x = 20,449.71 × 8,104.32
  4. Step 4: Simplify right side
    14,818.26x = 165,730,993.75
  5. Step 5: Solve for x
    x = 165,730,993.75/14,818.26
  6. Step 6: Final answer
    x = 11,184.24

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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.