Home / 25,851.61-38,784.09-10,850.68

Finding the Fourth Proportional to 25,851.61, 38,784.09 and 10,850.68

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Solution

The fourth proportional to 25,851.61, 38,784.09 and 10,850.68 is: 16,278.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.61 : 38,784.09 = 10,850.68 : x
  2. Step 2: Convert to fraction form
    25,851.61/38,784.09 = 10,850.68/x
  3. Step 3: Cross multiply
    25,851.61x = 38,784.09 × 10,850.68
  4. Step 4: Simplify right side
    25,851.61x = 420,833,749.68
  5. Step 5: Solve for x
    x = 420,833,749.68/25,851.61
  6. Step 6: Final answer
    x = 16,278.82

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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.