Home / 19,840.27-29,760.50-6,692.76

Finding the Fourth Proportional to 19,840.27, 29,760.50 and 6,692.76

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Solution

The fourth proportional to 19,840.27, 29,760.50 and 6,692.76 is: 10,039.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.27 : 29,760.50 = 6,692.76 : x
  2. Step 2: Convert to fraction form
    19,840.27/29,760.50 = 6,692.76/x
  3. Step 3: Cross multiply
    19,840.27x = 29,760.50 × 6,692.76
  4. Step 4: Simplify right side
    19,840.27x = 199,179,701.71
  5. Step 5: Solve for x
    x = 199,179,701.71/19,840.27
  6. Step 6: Final answer
    x = 10,039.16

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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.