Home / 26,642.48-39,990.06-14,162.54

Finding the Fourth Proportional to 26,642.48, 39,990.06 and 14,162.54

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Solution

The fourth proportional to 26,642.48, 39,990.06 and 14,162.54 is: 21,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,642.48 : 39,990.06 = 14,162.54 : x
  2. Step 2: Convert to fraction form
    26,642.48/39,990.06 = 14,162.54/x
  3. Step 3: Cross multiply
    26,642.48x = 39,990.06 × 14,162.54
  4. Step 4: Simplify right side
    26,642.48x = 566,360,624.40
  5. Step 5: Solve for x
    x = 566,360,624.40/26,642.48
  6. Step 6: Final answer
    x = 21,257.81

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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.