Home / 22,620.87-33,812.37-19,635.48

Finding the Fourth Proportional to 22,620.87, 33,812.37 and 19,635.48

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Solution

The fourth proportional to 22,620.87, 33,812.37 and 19,635.48 is: 29,349.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,620.87 : 33,812.37 = 19,635.48 : x
  2. Step 2: Convert to fraction form
    22,620.87/33,812.37 = 19,635.48/x
  3. Step 3: Cross multiply
    22,620.87x = 33,812.37 × 19,635.48
  4. Step 4: Simplify right side
    22,620.87x = 663,922,114.89
  5. Step 5: Solve for x
    x = 663,922,114.89/22,620.87
  6. Step 6: Final answer
    x = 29,349.98

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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.