Home / 25,965.86-38,965.34-9,325.54

Finding the Fourth Proportional to 25,965.86, 38,965.34 and 9,325.54

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Solution

The fourth proportional to 25,965.86, 38,965.34 and 9,325.54 is: 13,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,965.86 : 38,965.34 = 9,325.54 : x
  2. Step 2: Convert to fraction form
    25,965.86/38,965.34 = 9,325.54/x
  3. Step 3: Cross multiply
    25,965.86x = 38,965.34 × 9,325.54
  4. Step 4: Simplify right side
    25,965.86x = 363,372,836.78
  5. Step 5: Solve for x
    x = 363,372,836.78/25,965.86
  6. Step 6: Final answer
    x = 13,994.25

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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.