Home / 23,318.43-32,172.39-21,073.11

Finding the Fourth Proportional to 23,318.43, 32,172.39 and 21,073.11

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Solution

The fourth proportional to 23,318.43, 32,172.39 and 21,073.11 is: 29,074.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,318.43 : 32,172.39 = 21,073.11 : x
  2. Step 2: Convert to fraction form
    23,318.43/32,172.39 = 21,073.11/x
  3. Step 3: Cross multiply
    23,318.43x = 32,172.39 × 21,073.11
  4. Step 4: Simplify right side
    23,318.43x = 677,972,313.43
  5. Step 5: Solve for x
    x = 677,972,313.43/23,318.43
  6. Step 6: Final answer
    x = 29,074.53

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1.5x scale

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.