Home / 19,982.61-27,692.60-19,700.73

Finding the Fourth Proportional to 19,982.61, 27,692.60 and 19,700.73

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Solution

The fourth proportional to 19,982.61, 27,692.60 and 19,700.73 is: 27,301.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.61 : 27,692.60 = 19,700.73 : x
  2. Step 2: Convert to fraction form
    19,982.61/27,692.60 = 19,700.73/x
  3. Step 3: Cross multiply
    19,982.61x = 27,692.60 × 19,700.73
  4. Step 4: Simplify right side
    19,982.61x = 545,564,337.09
  5. Step 5: Solve for x
    x = 545,564,337.09/19,982.61
  6. Step 6: Final answer
    x = 27,301.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.