Home / 22,640.07-33,928.50-19,290.92

Finding the Fourth Proportional to 22,640.07, 33,928.50 and 19,290.92

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Solution

The fourth proportional to 22,640.07, 33,928.50 and 19,290.92 is: 28,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,640.07 : 33,928.50 = 19,290.92 : x
  2. Step 2: Convert to fraction form
    22,640.07/33,928.50 = 19,290.92/x
  3. Step 3: Cross multiply
    22,640.07x = 33,928.50 × 19,290.92
  4. Step 4: Simplify right side
    22,640.07x = 654,511,977.34
  5. Step 5: Solve for x
    x = 654,511,977.34/22,640.07
  6. Step 6: Final answer
    x = 28,909.46

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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.