Home / 15,747.84-23,625.15-7,854.60

Finding the Fourth Proportional to 15,747.84, 23,625.15 and 7,854.60

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Solution

The fourth proportional to 15,747.84, 23,625.15 and 7,854.60 is: 11,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.84 : 23,625.15 = 7,854.60 : x
  2. Step 2: Convert to fraction form
    15,747.84/23,625.15 = 7,854.60/x
  3. Step 3: Cross multiply
    15,747.84x = 23,625.15 × 7,854.60
  4. Step 4: Simplify right side
    15,747.84x = 185,566,103.19
  5. Step 5: Solve for x
    x = 185,566,103.19/15,747.84
  6. Step 6: Final answer
    x = 11,783.59

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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.