Home / 15,475.13-23,212.79-3,788.38

Finding the Fourth Proportional to 15,475.13, 23,212.79 and 3,788.38

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Solution

The fourth proportional to 15,475.13, 23,212.79 and 3,788.38 is: 5,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.13 : 23,212.79 = 3,788.38 : x
  2. Step 2: Convert to fraction form
    15,475.13/23,212.79 = 3,788.38/x
  3. Step 3: Cross multiply
    15,475.13x = 23,212.79 × 3,788.38
  4. Step 4: Simplify right side
    15,475.13x = 87,938,869.38
  5. Step 5: Solve for x
    x = 87,938,869.38/15,475.13
  6. Step 6: Final answer
    x = 5,682.59

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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.