Home / 19,551.76-26,974.36-12,841.02

Finding the Fourth Proportional to 19,551.76, 26,974.36 and 12,841.02

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Solution

The fourth proportional to 19,551.76, 26,974.36 and 12,841.02 is: 17,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.76 : 26,974.36 = 12,841.02 : x
  2. Step 2: Convert to fraction form
    19,551.76/26,974.36 = 12,841.02/x
  3. Step 3: Cross multiply
    19,551.76x = 26,974.36 × 12,841.02
  4. Step 4: Simplify right side
    19,551.76x = 346,378,296.25
  5. Step 5: Solve for x
    x = 346,378,296.25/19,551.76
  6. Step 6: Final answer
    x = 17,715.97

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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.