Home / 20,069.08-27,692.70-11,571.52

Finding the Fourth Proportional to 20,069.08, 27,692.70 and 11,571.52

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Solution

The fourth proportional to 20,069.08, 27,692.70 and 11,571.52 is: 15,967.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.08 : 27,692.70 = 11,571.52 : x
  2. Step 2: Convert to fraction form
    20,069.08/27,692.70 = 11,571.52/x
  3. Step 3: Cross multiply
    20,069.08x = 27,692.70 × 11,571.52
  4. Step 4: Simplify right side
    20,069.08x = 320,446,631.90
  5. Step 5: Solve for x
    x = 320,446,631.90/20,069.08
  6. Step 6: Final answer
    x = 15,967.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.