Home / 19,243.44-28,931.04-17,800.56

Finding the Fourth Proportional to 19,243.44, 28,931.04 and 17,800.56

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Solution

The fourth proportional to 19,243.44, 28,931.04 and 17,800.56 is: 26,761.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243.44 : 28,931.04 = 17,800.56 : x
  2. Step 2: Convert to fraction form
    19,243.44/28,931.04 = 17,800.56/x
  3. Step 3: Cross multiply
    19,243.44x = 28,931.04 × 17,800.56
  4. Step 4: Simplify right side
    19,243.44x = 514,988,713.38
  5. Step 5: Solve for x
    x = 514,988,713.38/19,243.44
  6. Step 6: Final answer
    x = 26,761.78

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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.