Home / 19,817.26-27,347.76-10,865.14

Finding the Fourth Proportional to 19,817.26, 27,347.76 and 10,865.14

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Solution

The fourth proportional to 19,817.26, 27,347.76 and 10,865.14 is: 14,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.26 : 27,347.76 = 10,865.14 : x
  2. Step 2: Convert to fraction form
    19,817.26/27,347.76 = 10,865.14/x
  3. Step 3: Cross multiply
    19,817.26x = 27,347.76 × 10,865.14
  4. Step 4: Simplify right side
    19,817.26x = 297,137,241.09
  5. Step 5: Solve for x
    x = 297,137,241.09/19,817.26
  6. Step 6: Final answer
    x = 14,993.86

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1.5x scale

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.