Home / 17,687.81-24,419.25-11,727.54

Finding the Fourth Proportional to 17,687.81, 24,419.25 and 11,727.54

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Solution

The fourth proportional to 17,687.81, 24,419.25 and 11,727.54 is: 16,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,687.81 : 24,419.25 = 11,727.54 : x
  2. Step 2: Convert to fraction form
    17,687.81/24,419.25 = 11,727.54/x
  3. Step 3: Cross multiply
    17,687.81x = 24,419.25 × 11,727.54
  4. Step 4: Simplify right side
    17,687.81x = 286,377,731.15
  5. Step 5: Solve for x
    x = 286,377,731.15/17,687.81
  6. Step 6: Final answer
    x = 16,190.68

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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.