Home / 19,692.42-27,174.72-10,739.76

Finding the Fourth Proportional to 19,692.42, 27,174.72 and 10,739.76

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Solution

The fourth proportional to 19,692.42, 27,174.72 and 10,739.76 is: 14,820.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.42 : 27,174.72 = 10,739.76 : x
  2. Step 2: Convert to fraction form
    19,692.42/27,174.72 = 10,739.76/x
  3. Step 3: Cross multiply
    19,692.42x = 27,174.72 × 10,739.76
  4. Step 4: Simplify right side
    19,692.42x = 291,849,970.87
  5. Step 5: Solve for x
    x = 291,849,970.87/19,692.42
  6. Step 6: Final answer
    x = 14,820.42

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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.