Home / 22,716.55-33,902.08-21,212.54

Finding the Fourth Proportional to 22,716.55, 33,902.08 and 21,212.54

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Solution

The fourth proportional to 22,716.55, 33,902.08 and 21,212.54 is: 31,657.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,716.55 : 33,902.08 = 21,212.54 : x
  2. Step 2: Convert to fraction form
    22,716.55/33,902.08 = 21,212.54/x
  3. Step 3: Cross multiply
    22,716.55x = 33,902.08 × 21,212.54
  4. Step 4: Simplify right side
    22,716.55x = 719,149,058.57
  5. Step 5: Solve for x
    x = 719,149,058.57/22,716.55
  6. Step 6: Final answer
    x = 31,657.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.