Home / 15,928.34-23,903.31-5,540.06

Finding the Fourth Proportional to 15,928.34, 23,903.31 and 5,540.06

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Solution

The fourth proportional to 15,928.34, 23,903.31 and 5,540.06 is: 8,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,928.34 : 23,903.31 = 5,540.06 : x
  2. Step 2: Convert to fraction form
    15,928.34/23,903.31 = 5,540.06/x
  3. Step 3: Cross multiply
    15,928.34x = 23,903.31 × 5,540.06
  4. Step 4: Simplify right side
    15,928.34x = 132,425,771.60
  5. Step 5: Solve for x
    x = 132,425,771.60/15,928.34
  6. Step 6: Final answer
    x = 8,313.85

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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.