Home / 15,540.21-23,310.14-9,301.96

Finding the Fourth Proportional to 15,540.21, 23,310.14 and 9,301.96

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Solution

The fourth proportional to 15,540.21, 23,310.14 and 9,301.96 is: 13,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540.21 : 23,310.14 = 9,301.96 : x
  2. Step 2: Convert to fraction form
    15,540.21/23,310.14 = 9,301.96/x
  3. Step 3: Cross multiply
    15,540.21x = 23,310.14 × 9,301.96
  4. Step 4: Simplify right side
    15,540.21x = 216,830,007.38
  5. Step 5: Solve for x
    x = 216,830,007.38/15,540.21
  6. Step 6: Final answer
    x = 13,952.84

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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.