Home / 13,714.71-20,572.05-3,326.46

Finding the Fourth Proportional to 13,714.71, 20,572.05 and 3,326.46

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Solution

The fourth proportional to 13,714.71, 20,572.05 and 3,326.46 is: 4,989.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.71 : 20,572.05 = 3,326.46 : x
  2. Step 2: Convert to fraction form
    13,714.71/20,572.05 = 3,326.46/x
  3. Step 3: Cross multiply
    13,714.71x = 20,572.05 × 3,326.46
  4. Step 4: Simplify right side
    13,714.71x = 68,432,101.44
  5. Step 5: Solve for x
    x = 68,432,101.44/13,714.71
  6. Step 6: Final answer
    x = 4,989.69

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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.