Home / 16,917.38-25,378.48-5,231.50

Finding the Fourth Proportional to 16,917.38, 25,378.48 and 5,231.50

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Solution

The fourth proportional to 16,917.38, 25,378.48 and 5,231.50 is: 7,848.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917.38 : 25,378.48 = 5,231.50 : x
  2. Step 2: Convert to fraction form
    16,917.38/25,378.48 = 5,231.50/x
  3. Step 3: Cross multiply
    16,917.38x = 25,378.48 × 5,231.50
  4. Step 4: Simplify right side
    16,917.38x = 132,767,518.12
  5. Step 5: Solve for x
    x = 132,767,518.12/16,917.38
  6. Step 6: Final answer
    x = 7,848.00

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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.