Home / 14,734.52-20,331.96-8,684.39

Finding the Fourth Proportional to 14,734.52, 20,331.96 and 8,684.39

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Solution

The fourth proportional to 14,734.52, 20,331.96 and 8,684.39 is: 11,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,734.52 : 20,331.96 = 8,684.39 : x
  2. Step 2: Convert to fraction form
    14,734.52/20,331.96 = 8,684.39/x
  3. Step 3: Cross multiply
    14,734.52x = 20,331.96 × 8,684.39
  4. Step 4: Simplify right side
    14,734.52x = 176,570,568.44
  5. Step 5: Solve for x
    x = 176,570,568.44/14,734.52
  6. Step 6: Final answer
    x = 11,983.47

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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.