Home / 22,189.55-33,091.85-18,923.63

Finding the Fourth Proportional to 22,189.55, 33,091.85 and 18,923.63

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Solution

The fourth proportional to 22,189.55, 33,091.85 and 18,923.63 is: 28,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,189.55 : 33,091.85 = 18,923.63 : x
  2. Step 2: Convert to fraction form
    22,189.55/33,091.85 = 18,923.63/x
  3. Step 3: Cross multiply
    22,189.55x = 33,091.85 × 18,923.63
  4. Step 4: Simplify right side
    22,189.55x = 626,217,807.27
  5. Step 5: Solve for x
    x = 626,217,807.27/22,189.55
  6. Step 6: Final answer
    x = 28,221.30

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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.