Home / 19,672.26-27,139.17-11,710.02

Finding the Fourth Proportional to 19,672.26, 27,139.17 and 11,710.02

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Solution

The fourth proportional to 19,672.26, 27,139.17 and 11,710.02 is: 16,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.26 : 27,139.17 = 11,710.02 : x
  2. Step 2: Convert to fraction form
    19,672.26/27,139.17 = 11,710.02/x
  3. Step 3: Cross multiply
    19,672.26x = 27,139.17 × 11,710.02
  4. Step 4: Simplify right side
    19,672.26x = 317,800,223.48
  5. Step 5: Solve for x
    x = 317,800,223.48/19,672.26
  6. Step 6: Final answer
    x = 16,154.74

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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.