Home / 19,368.31-29,040.85-6,713.88

Finding the Fourth Proportional to 19,368.31, 29,040.85 and 6,713.88

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Solution

The fourth proportional to 19,368.31, 29,040.85 and 6,713.88 is: 10,066.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.31 : 29,040.85 = 6,713.88 : x
  2. Step 2: Convert to fraction form
    19,368.31/29,040.85 = 6,713.88/x
  3. Step 3: Cross multiply
    19,368.31x = 29,040.85 × 6,713.88
  4. Step 4: Simplify right side
    19,368.31x = 194,976,765.21
  5. Step 5: Solve for x
    x = 194,976,765.21/19,368.31
  6. Step 6: Final answer
    x = 10,066.79

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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.