Home / 15,175.82-22,763.75-4,788.38

Finding the Fourth Proportional to 15,175.82, 22,763.75 and 4,788.38

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Solution

The fourth proportional to 15,175.82, 22,763.75 and 4,788.38 is: 7,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175.82 : 22,763.75 = 4,788.38 : x
  2. Step 2: Convert to fraction form
    15,175.82/22,763.75 = 4,788.38/x
  3. Step 3: Cross multiply
    15,175.82x = 22,763.75 × 4,788.38
  4. Step 4: Simplify right side
    15,175.82x = 109,001,347.46
  5. Step 5: Solve for x
    x = 109,001,347.46/15,175.82
  6. Step 6: Final answer
    x = 7,182.57

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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.