Home / 26,381.96-39,496.32-18,474.68

Finding the Fourth Proportional to 26,381.96, 39,496.32 and 18,474.68

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Solution

The fourth proportional to 26,381.96, 39,496.32 and 18,474.68 is: 27,658.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,381.96 : 39,496.32 = 18,474.68 : x
  2. Step 2: Convert to fraction form
    26,381.96/39,496.32 = 18,474.68/x
  3. Step 3: Cross multiply
    26,381.96x = 39,496.32 × 18,474.68
  4. Step 4: Simplify right side
    26,381.96x = 729,681,873.18
  5. Step 5: Solve for x
    x = 729,681,873.18/26,381.96
  6. Step 6: Final answer
    x = 27,658.36

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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.