Home / 22,319.43-33,399.17-19,327.77

Finding the Fourth Proportional to 22,319.43, 33,399.17 and 19,327.77

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Solution

The fourth proportional to 22,319.43, 33,399.17 and 19,327.77 is: 28,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.43 : 33,399.17 = 19,327.77 : x
  2. Step 2: Convert to fraction form
    22,319.43/33,399.17 = 19,327.77/x
  3. Step 3: Cross multiply
    22,319.43x = 33,399.17 × 19,327.77
  4. Step 4: Simplify right side
    22,319.43x = 645,531,379.31
  5. Step 5: Solve for x
    x = 645,531,379.31/22,319.43
  6. Step 6: Final answer
    x = 28,922.40

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1.5x scale

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.