Home / 14,507.20-21,744.60-8,270.20

Finding the Fourth Proportional to 14,507.20, 21,744.60 and 8,270.20

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Solution

The fourth proportional to 14,507.20, 21,744.60 and 8,270.20 is: 12,396.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507.20 : 21,744.60 = 8,270.20 : x
  2. Step 2: Convert to fraction form
    14,507.20/21,744.60 = 8,270.20/x
  3. Step 3: Cross multiply
    14,507.20x = 21,744.60 × 8,270.20
  4. Step 4: Simplify right side
    14,507.20x = 179,832,190.92
  5. Step 5: Solve for x
    x = 179,832,190.92/14,507.20
  6. Step 6: Final answer
    x = 12,396.06

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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.