Home / 19,644.93-27,109.80-10,692.42

Finding the Fourth Proportional to 19,644.93, 27,109.80 and 10,692.42

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Solution

The fourth proportional to 19,644.93, 27,109.80 and 10,692.42 is: 14,755.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.93 : 27,109.80 = 10,692.42 : x
  2. Step 2: Convert to fraction form
    19,644.93/27,109.80 = 10,692.42/x
  3. Step 3: Cross multiply
    19,644.93x = 27,109.80 × 10,692.42
  4. Step 4: Simplify right side
    19,644.93x = 289,869,367.72
  5. Step 5: Solve for x
    x = 289,869,367.72/19,644.93
  6. Step 6: Final answer
    x = 14,755.43

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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.