Home / 21,711.22-32,550.41-6,911.60

Finding the Fourth Proportional to 21,711.22, 32,550.41 and 6,911.60

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Solution

The fourth proportional to 21,711.22, 32,550.41 and 6,911.60 is: 10,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,711.22 : 32,550.41 = 6,911.60 : x
  2. Step 2: Convert to fraction form
    21,711.22/32,550.41 = 6,911.60/x
  3. Step 3: Cross multiply
    21,711.22x = 32,550.41 × 6,911.60
  4. Step 4: Simplify right side
    21,711.22x = 224,975,268.28
  5. Step 5: Solve for x
    x = 224,975,268.28/21,711.22
  6. Step 6: Final answer
    x = 10,362.17

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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.