Home / 13,734.43-20,587.28-6,343.74

Finding the Fourth Proportional to 13,734.43, 20,587.28 and 6,343.74

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Solution

The fourth proportional to 13,734.43, 20,587.28 and 6,343.74 is: 9,508.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.43 : 20,587.28 = 6,343.74 : x
  2. Step 2: Convert to fraction form
    13,734.43/20,587.28 = 6,343.74/x
  3. Step 3: Cross multiply
    13,734.43x = 20,587.28 × 6,343.74
  4. Step 4: Simplify right side
    13,734.43x = 130,600,248.69
  5. Step 5: Solve for x
    x = 130,600,248.69/13,734.43
  6. Step 6: Final answer
    x = 9,508.97

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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.