Home / 20,796.51-31,196.13-7,468.11

Finding the Fourth Proportional to 20,796.51, 31,196.13 and 7,468.11

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Solution

The fourth proportional to 20,796.51, 31,196.13 and 7,468.11 is: 11,202.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,796.51 : 31,196.13 = 7,468.11 : x
  2. Step 2: Convert to fraction form
    20,796.51/31,196.13 = 7,468.11/x
  3. Step 3: Cross multiply
    20,796.51x = 31,196.13 × 7,468.11
  4. Step 4: Simplify right side
    20,796.51x = 232,976,130.41
  5. Step 5: Solve for x
    x = 232,976,130.41/20,796.51
  6. Step 6: Final answer
    x = 11,202.66

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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.