Home / 26,239.74-39,371.23-13,756.78

Finding the Fourth Proportional to 26,239.74, 39,371.23 and 13,756.78

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Solution

The fourth proportional to 26,239.74, 39,371.23 and 13,756.78 is: 20,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,239.74 : 39,371.23 = 13,756.78 : x
  2. Step 2: Convert to fraction form
    26,239.74/39,371.23 = 13,756.78/x
  3. Step 3: Cross multiply
    26,239.74x = 39,371.23 × 13,756.78
  4. Step 4: Simplify right side
    26,239.74x = 541,621,216.62
  5. Step 5: Solve for x
    x = 541,621,216.62/26,239.74
  6. Step 6: Final answer
    x = 20,641.26

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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.