Home / 15,456.65-23,148.91-11,286.31

Finding the Fourth Proportional to 15,456.65, 23,148.91 and 11,286.31

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Solution

The fourth proportional to 15,456.65, 23,148.91 and 11,286.31 is: 16,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.65 : 23,148.91 = 11,286.31 : x
  2. Step 2: Convert to fraction form
    15,456.65/23,148.91 = 11,286.31/x
  3. Step 3: Cross multiply
    15,456.65x = 23,148.91 × 11,286.31
  4. Step 4: Simplify right side
    15,456.65x = 261,265,774.42
  5. Step 5: Solve for x
    x = 261,265,774.42/15,456.65
  6. Step 6: Final answer
    x = 16,903.14

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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.