Home / 19,692.72-27,175.10-10,739.99

Finding the Fourth Proportional to 19,692.72, 27,175.10 and 10,739.99

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Solution

The fourth proportional to 19,692.72, 27,175.10 and 10,739.99 is: 14,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.72 : 27,175.10 = 10,739.99 : x
  2. Step 2: Convert to fraction form
    19,692.72/27,175.10 = 10,739.99/x
  3. Step 3: Cross multiply
    19,692.72x = 27,175.10 × 10,739.99
  4. Step 4: Simplify right side
    19,692.72x = 291,860,316.49
  5. Step 5: Solve for x
    x = 291,860,316.49/19,692.72
  6. Step 6: Final answer
    x = 14,820.72

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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.