Home / 19,866.30-29,803.14-6,540.04

Finding the Fourth Proportional to 19,866.30, 29,803.14 and 6,540.04

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Solution

The fourth proportional to 19,866.30, 29,803.14 and 6,540.04 is: 9,811.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.30 : 29,803.14 = 6,540.04 : x
  2. Step 2: Convert to fraction form
    19,866.30/29,803.14 = 6,540.04/x
  3. Step 3: Cross multiply
    19,866.30x = 29,803.14 × 6,540.04
  4. Step 4: Simplify right side
    19,866.30x = 194,913,764.98
  5. Step 5: Solve for x
    x = 194,913,764.98/19,866.30
  6. Step 6: Final answer
    x = 9,811.28

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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.