Home / 25,601.76-38,363.76-18,997.02

Finding the Fourth Proportional to 25,601.76, 38,363.76 and 18,997.02

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Solution

The fourth proportional to 25,601.76, 38,363.76 and 18,997.02 is: 28,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,601.76 : 38,363.76 = 18,997.02 : x
  2. Step 2: Convert to fraction form
    25,601.76/38,363.76 = 18,997.02/x
  3. Step 3: Cross multiply
    25,601.76x = 38,363.76 × 18,997.02
  4. Step 4: Simplify right side
    25,601.76x = 728,797,116.00
  5. Step 5: Solve for x
    x = 728,797,116.00/25,601.76
  6. Step 6: Final answer
    x = 28,466.68

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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.