Home / 20,259.08-27,949.73-12,692.24

Finding the Fourth Proportional to 20,259.08, 27,949.73 and 12,692.24

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Solution

The fourth proportional to 20,259.08, 27,949.73 and 12,692.24 is: 17,510.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259.08 : 27,949.73 = 12,692.24 : x
  2. Step 2: Convert to fraction form
    20,259.08/27,949.73 = 12,692.24/x
  3. Step 3: Cross multiply
    20,259.08x = 27,949.73 × 12,692.24
  4. Step 4: Simplify right side
    20,259.08x = 354,744,739.91
  5. Step 5: Solve for x
    x = 354,744,739.91/20,259.08
  6. Step 6: Final answer
    x = 17,510.41

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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.