Home / 26,266.80-39,367.35-13,122.84

Finding the Fourth Proportional to 26,266.80, 39,367.35 and 13,122.84

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Solution

The fourth proportional to 26,266.80, 39,367.35 and 13,122.84 is: 19,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,266.80 : 39,367.35 = 13,122.84 : x
  2. Step 2: Convert to fraction form
    26,266.80/39,367.35 = 13,122.84/x
  3. Step 3: Cross multiply
    26,266.80x = 39,367.35 × 13,122.84
  4. Step 4: Simplify right side
    26,266.80x = 516,611,435.27
  5. Step 5: Solve for x
    x = 516,611,435.27/26,266.80
  6. Step 6: Final answer
    x = 19,667.85

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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.