Home / 20,695.44-31,055.62-7,548.96

Finding the Fourth Proportional to 20,695.44, 31,055.62 and 7,548.96

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Solution

The fourth proportional to 20,695.44, 31,055.62 and 7,548.96 is: 11,327.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695.44 : 31,055.62 = 7,548.96 : x
  2. Step 2: Convert to fraction form
    20,695.44/31,055.62 = 7,548.96/x
  3. Step 3: Cross multiply
    20,695.44x = 31,055.62 × 7,548.96
  4. Step 4: Simplify right side
    20,695.44x = 234,437,633.16
  5. Step 5: Solve for x
    x = 234,437,633.16/20,695.44
  6. Step 6: Final answer
    x = 11,327.98

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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.