Home / 19,768.66-29,649.80-6,617.95

Finding the Fourth Proportional to 19,768.66, 29,649.80 and 6,617.95

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Solution

The fourth proportional to 19,768.66, 29,649.80 and 6,617.95 is: 9,925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.66 : 29,649.80 = 6,617.95 : x
  2. Step 2: Convert to fraction form
    19,768.66/29,649.80 = 6,617.95/x
  3. Step 3: Cross multiply
    19,768.66x = 29,649.80 × 6,617.95
  4. Step 4: Simplify right side
    19,768.66x = 196,220,965.88
  5. Step 5: Solve for x
    x = 196,220,965.88/19,768.66
  6. Step 6: Final answer
    x = 9,925.86

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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.