Home / 21,556.11-32,332.04-6,756.94

Finding the Fourth Proportional to 21,556.11, 32,332.04 and 6,756.94

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Solution

The fourth proportional to 21,556.11, 32,332.04 and 6,756.94 is: 10,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556.11 : 32,332.04 = 6,756.94 : x
  2. Step 2: Convert to fraction form
    21,556.11/32,332.04 = 6,756.94/x
  3. Step 3: Cross multiply
    21,556.11x = 32,332.04 × 6,756.94
  4. Step 4: Simplify right side
    21,556.11x = 218,465,654.36
  5. Step 5: Solve for x
    x = 218,465,654.36/21,556.11
  6. Step 6: Final answer
    x = 10,134.74

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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.