Home / 15,487.47-23,234.45-7,692.03

Finding the Fourth Proportional to 15,487.47, 23,234.45 and 7,692.03

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Solution

The fourth proportional to 15,487.47, 23,234.45 and 7,692.03 is: 11,539.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487.47 : 23,234.45 = 7,692.03 : x
  2. Step 2: Convert to fraction form
    15,487.47/23,234.45 = 7,692.03/x
  3. Step 3: Cross multiply
    15,487.47x = 23,234.45 × 7,692.03
  4. Step 4: Simplify right side
    15,487.47x = 178,720,047.97
  5. Step 5: Solve for x
    x = 178,720,047.97/15,487.47
  6. Step 6: Final answer
    x = 11,539.65

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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.