Home / 22,355.16-33,557.34-18,888.04

Finding the Fourth Proportional to 22,355.16, 33,557.34 and 18,888.04

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Solution

The fourth proportional to 22,355.16, 33,557.34 and 18,888.04 is: 28,352.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,355.16 : 33,557.34 = 18,888.04 : x
  2. Step 2: Convert to fraction form
    22,355.16/33,557.34 = 18,888.04/x
  3. Step 3: Cross multiply
    22,355.16x = 33,557.34 × 18,888.04
  4. Step 4: Simplify right side
    22,355.16x = 633,832,380.21
  5. Step 5: Solve for x
    x = 633,832,380.21/22,355.16
  6. Step 6: Final answer
    x = 28,352.84

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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.