Home / 17,505.60-24,165.90-11,221.56

Finding the Fourth Proportional to 17,505.60, 24,165.90 and 11,221.56

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Solution

The fourth proportional to 17,505.60, 24,165.90 and 11,221.56 is: 15,490.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,505.60 : 24,165.90 = 11,221.56 : x
  2. Step 2: Convert to fraction form
    17,505.60/24,165.90 = 11,221.56/x
  3. Step 3: Cross multiply
    17,505.60x = 24,165.90 × 11,221.56
  4. Step 4: Simplify right side
    17,505.60x = 271,179,096.80
  5. Step 5: Solve for x
    x = 271,179,096.80/17,505.60
  6. Step 6: Final answer
    x = 15,490.99

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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.