Home / 19,973.97-27,680.61-19,692.09

Finding the Fourth Proportional to 19,973.97, 27,680.61 and 19,692.09

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Solution

The fourth proportional to 19,973.97, 27,680.61 and 19,692.09 is: 27,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.97 : 27,680.61 = 19,692.09 : x
  2. Step 2: Convert to fraction form
    19,973.97/27,680.61 = 19,692.09/x
  3. Step 3: Cross multiply
    19,973.97x = 27,680.61 × 19,692.09
  4. Step 4: Simplify right side
    19,973.97x = 545,089,063.37
  5. Step 5: Solve for x
    x = 545,089,063.37/19,973.97
  6. Step 6: Final answer
    x = 27,289.97

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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.