Home / 14,529.39-20,049.68-8,154.90

Finding the Fourth Proportional to 14,529.39, 20,049.68 and 8,154.90

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Solution

The fourth proportional to 14,529.39, 20,049.68 and 8,154.90 is: 11,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.39 : 20,049.68 = 8,154.90 : x
  2. Step 2: Convert to fraction form
    14,529.39/20,049.68 = 8,154.90/x
  3. Step 3: Cross multiply
    14,529.39x = 20,049.68 × 8,154.90
  4. Step 4: Simplify right side
    14,529.39x = 163,503,094.66
  5. Step 5: Solve for x
    x = 163,503,094.66/14,529.39
  6. Step 6: Final answer
    x = 11,253.27

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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.