Home / 25,945.37-38,917.98-8,177.51

Finding the Fourth Proportional to 25,945.37, 38,917.98 and 8,177.51

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Solution

The fourth proportional to 25,945.37, 38,917.98 and 8,177.51 is: 12,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,945.37 : 38,917.98 = 8,177.51 : x
  2. Step 2: Convert to fraction form
    25,945.37/38,917.98 = 8,177.51/x
  3. Step 3: Cross multiply
    25,945.37x = 38,917.98 × 8,177.51
  4. Step 4: Simplify right side
    25,945.37x = 318,252,267.92
  5. Step 5: Solve for x
    x = 318,252,267.92/25,945.37
  6. Step 6: Final answer
    x = 12,266.25

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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.