Home / 14,763.20-20,349.24-12,844.14

Finding the Fourth Proportional to 14,763.20, 20,349.24 and 12,844.14

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Solution

The fourth proportional to 14,763.20, 20,349.24 and 12,844.14 is: 17,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,763.20 : 20,349.24 = 12,844.14 : x
  2. Step 2: Convert to fraction form
    14,763.20/20,349.24 = 12,844.14/x
  3. Step 3: Cross multiply
    14,763.20x = 20,349.24 × 12,844.14
  4. Step 4: Simplify right side
    14,763.20x = 261,368,487.45
  5. Step 5: Solve for x
    x = 261,368,487.45/14,763.20
  6. Step 6: Final answer
    x = 17,704.05

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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.