Home / 13,942.76-19,249.70-9,692.48

Finding the Fourth Proportional to 13,942.76, 19,249.70 and 9,692.48

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Solution

The fourth proportional to 13,942.76, 19,249.70 and 9,692.48 is: 13,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.76 : 19,249.70 = 9,692.48 : x
  2. Step 2: Convert to fraction form
    13,942.76/19,249.70 = 9,692.48/x
  3. Step 3: Cross multiply
    13,942.76x = 19,249.70 × 9,692.48
  4. Step 4: Simplify right side
    13,942.76x = 186,577,332.26
  5. Step 5: Solve for x
    x = 186,577,332.26/13,942.76
  6. Step 6: Final answer
    x = 13,381.66

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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.