Home / 21,742.08-32,604.61-7,696.68

Finding the Fourth Proportional to 21,742.08, 32,604.61 and 7,696.68

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Solution

The fourth proportional to 21,742.08, 32,604.61 and 7,696.68 is: 11,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,742.08 : 32,604.61 = 7,696.68 : x
  2. Step 2: Convert to fraction form
    21,742.08/32,604.61 = 7,696.68/x
  3. Step 3: Cross multiply
    21,742.08x = 32,604.61 × 7,696.68
  4. Step 4: Simplify right side
    21,742.08x = 250,947,249.69
  5. Step 5: Solve for x
    x = 250,947,249.69/21,742.08
  6. Step 6: Final answer
    x = 11,542.01

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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.