Home / 26,066.40-39,099.84-19,839.36

Finding the Fourth Proportional to 26,066.40, 39,099.84 and 19,839.36

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Solution

The fourth proportional to 26,066.40, 39,099.84 and 19,839.36 is: 29,759.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,066.40 : 39,099.84 = 19,839.36 : x
  2. Step 2: Convert to fraction form
    26,066.40/39,099.84 = 19,839.36/x
  3. Step 3: Cross multiply
    26,066.40x = 39,099.84 × 19,839.36
  4. Step 4: Simplify right side
    26,066.40x = 775,715,801.70
  5. Step 5: Solve for x
    x = 775,715,801.70/26,066.40
  6. Step 6: Final answer
    x = 29,759.22

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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.