Home / 19,753.92-27,278.60-12,692.64

Finding the Fourth Proportional to 19,753.92, 27,278.60 and 12,692.64

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Solution

The fourth proportional to 19,753.92, 27,278.60 and 12,692.64 is: 17,527.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,753.92 : 27,278.60 = 12,692.64 : x
  2. Step 2: Convert to fraction form
    19,753.92/27,278.60 = 12,692.64/x
  3. Step 3: Cross multiply
    19,753.92x = 27,278.60 × 12,692.64
  4. Step 4: Simplify right side
    19,753.92x = 346,237,454.24
  5. Step 5: Solve for x
    x = 346,237,454.24/19,753.92
  6. Step 6: Final answer
    x = 17,527.54

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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.