Home / 15,918.72-23,871.96-7,592.40

Finding the Fourth Proportional to 15,918.72, 23,871.96 and 7,592.40

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Solution

The fourth proportional to 15,918.72, 23,871.96 and 7,592.40 is: 11,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918.72 : 23,871.96 = 7,592.40 : x
  2. Step 2: Convert to fraction form
    15,918.72/23,871.96 = 7,592.40/x
  3. Step 3: Cross multiply
    15,918.72x = 23,871.96 × 7,592.40
  4. Step 4: Simplify right side
    15,918.72x = 181,245,469.10
  5. Step 5: Solve for x
    x = 181,245,469.10/15,918.72
  6. Step 6: Final answer
    x = 11,385.68

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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.