Home / 20,041.76-27,658.44-11,089.11

Finding the Fourth Proportional to 20,041.76, 27,658.44 and 11,089.11

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Solution

The fourth proportional to 20,041.76, 27,658.44 and 11,089.11 is: 15,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.76 : 27,658.44 = 11,089.11 : x
  2. Step 2: Convert to fraction form
    20,041.76/27,658.44 = 11,089.11/x
  3. Step 3: Cross multiply
    20,041.76x = 27,658.44 × 11,089.11
  4. Step 4: Simplify right side
    20,041.76x = 306,707,428.14
  5. Step 5: Solve for x
    x = 306,707,428.14/20,041.76
  6. Step 6: Final answer
    x = 15,303.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.