Home / 19,427.40-29,134.92-6,276.66

Finding the Fourth Proportional to 19,427.40, 29,134.92 and 6,276.66

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Solution

The fourth proportional to 19,427.40, 29,134.92 and 6,276.66 is: 9,412.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.40 : 29,134.92 = 6,276.66 : x
  2. Step 2: Convert to fraction form
    19,427.40/29,134.92 = 6,276.66/x
  3. Step 3: Cross multiply
    19,427.40x = 29,134.92 × 6,276.66
  4. Step 4: Simplify right side
    19,427.40x = 182,869,986.97
  5. Step 5: Solve for x
    x = 182,869,986.97/19,427.40
  6. Step 6: Final answer
    x = 9,412.99

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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.