Home / 19,692.85-27,175.80-10,740.37

Finding the Fourth Proportional to 19,692.85, 27,175.80 and 10,740.37

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Solution

The fourth proportional to 19,692.85, 27,175.80 and 10,740.37 is: 14,821.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.85 : 27,175.80 = 10,740.37 : x
  2. Step 2: Convert to fraction form
    19,692.85/27,175.80 = 10,740.37/x
  3. Step 3: Cross multiply
    19,692.85x = 27,175.80 × 10,740.37
  4. Step 4: Simplify right side
    19,692.85x = 291,878,147.05
  5. Step 5: Solve for x
    x = 291,878,147.05/19,692.85
  6. Step 6: Final answer
    x = 14,821.53

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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.