Home / 26,491.74-39,744.36-12,449.04

Finding the Fourth Proportional to 26,491.74, 39,744.36 and 12,449.04

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Solution

The fourth proportional to 26,491.74, 39,744.36 and 12,449.04 is: 18,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.74 : 39,744.36 = 12,449.04 : x
  2. Step 2: Convert to fraction form
    26,491.74/39,744.36 = 12,449.04/x
  3. Step 3: Cross multiply
    26,491.74x = 39,744.36 × 12,449.04
  4. Step 4: Simplify right side
    26,491.74x = 494,779,127.41
  5. Step 5: Solve for x
    x = 494,779,127.41/26,491.74
  6. Step 6: Final answer
    x = 18,676.73

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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.