Home / 15,609.72-23,380.62-9,688.02

Finding the Fourth Proportional to 15,609.72, 23,380.62 and 9,688.02

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Solution

The fourth proportional to 15,609.72, 23,380.62 and 9,688.02 is: 14,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,609.72 : 23,380.62 = 9,688.02 : x
  2. Step 2: Convert to fraction form
    15,609.72/23,380.62 = 9,688.02/x
  3. Step 3: Cross multiply
    15,609.72x = 23,380.62 × 9,688.02
  4. Step 4: Simplify right side
    15,609.72x = 226,511,914.17
  5. Step 5: Solve for x
    x = 226,511,914.17/15,609.72
  6. Step 6: Final answer
    x = 14,510.95

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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.