Home / 19,692.11-29,523.13-9,838.31

Finding the Fourth Proportional to 19,692.11, 29,523.13 and 9,838.31

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Solution

The fourth proportional to 19,692.11, 29,523.13 and 9,838.31 is: 14,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.11 : 29,523.13 = 9,838.31 : x
  2. Step 2: Convert to fraction form
    19,692.11/29,523.13 = 9,838.31/x
  3. Step 3: Cross multiply
    19,692.11x = 29,523.13 × 9,838.31
  4. Step 4: Simplify right side
    19,692.11x = 290,457,754.31
  5. Step 5: Solve for x
    x = 290,457,754.31/19,692.11
  6. Step 6: Final answer
    x = 14,749.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.