Home / 19,098.43-26,359-11,140.66

Finding the Fourth Proportional to 19,098.43, 26,359 and 11,140.66

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Solution

The fourth proportional to 19,098.43, 26,359 and 11,140.66 is: 15,375.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098.43 : 26,359 = 11,140.66 : x
  2. Step 2: Convert to fraction form
    19,098.43/26,359 = 11,140.66/x
  3. Step 3: Cross multiply
    19,098.43x = 26,359 × 11,140.66
  4. Step 4: Simplify right side
    19,098.43x = 293,656,656.94
  5. Step 5: Solve for x
    x = 293,656,656.94/19,098.43
  6. Step 6: Final answer
    x = 15,375.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.