Home / 14,734.62-20,334.21-8,020.68

Finding the Fourth Proportional to 14,734.62, 20,334.21 and 8,020.68

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Solution

The fourth proportional to 14,734.62, 20,334.21 and 8,020.68 is: 11,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,734.62 : 20,334.21 = 8,020.68 : x
  2. Step 2: Convert to fraction form
    14,734.62/20,334.21 = 8,020.68/x
  3. Step 3: Cross multiply
    14,734.62x = 20,334.21 × 8,020.68
  4. Step 4: Simplify right side
    14,734.62x = 163,094,049.69
  5. Step 5: Solve for x
    x = 163,094,049.69/14,734.62
  6. Step 6: Final answer
    x = 11,068.77

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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.