Home / 26,476.20-39,720.24-12,237.48

Finding the Fourth Proportional to 26,476.20, 39,720.24 and 12,237.48

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Solution

The fourth proportional to 26,476.20, 39,720.24 and 12,237.48 is: 18,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,476.20 : 39,720.24 = 12,237.48 : x
  2. Step 2: Convert to fraction form
    26,476.20/39,720.24 = 12,237.48/x
  3. Step 3: Cross multiply
    26,476.20x = 39,720.24 × 12,237.48
  4. Step 4: Simplify right side
    26,476.20x = 486,075,642.60
  5. Step 5: Solve for x
    x = 486,075,642.60/26,476.20
  6. Step 6: Final answer
    x = 18,358.97

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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.