Home / 25,851.94-38,781.56-9,207.05

Finding the Fourth Proportional to 25,851.94, 38,781.56 and 9,207.05

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Solution

The fourth proportional to 25,851.94, 38,781.56 and 9,207.05 is: 13,811.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.94 : 38,781.56 = 9,207.05 : x
  2. Step 2: Convert to fraction form
    25,851.94/38,781.56 = 9,207.05/x
  3. Step 3: Cross multiply
    25,851.94x = 38,781.56 × 9,207.05
  4. Step 4: Simplify right side
    25,851.94x = 357,063,783.36
  5. Step 5: Solve for x
    x = 357,063,783.36/25,851.94
  6. Step 6: Final answer
    x = 13,811.87

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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.