Home / 26,611.53-39,920.47-10,813.18

Finding the Fourth Proportional to 26,611.53, 39,920.47 and 10,813.18

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Solution

The fourth proportional to 26,611.53, 39,920.47 and 10,813.18 is: 16,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,611.53 : 39,920.47 = 10,813.18 : x
  2. Step 2: Convert to fraction form
    26,611.53/39,920.47 = 10,813.18/x
  3. Step 3: Cross multiply
    26,611.53x = 39,920.47 × 10,813.18
  4. Step 4: Simplify right side
    26,611.53x = 431,667,227.79
  5. Step 5: Solve for x
    x = 431,667,227.79/26,611.53
  6. Step 6: Final answer
    x = 16,221.06

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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.