Home / 19,761.14-27,270.96-10,808.48

Finding the Fourth Proportional to 19,761.14, 27,270.96 and 10,808.48

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Solution

The fourth proportional to 19,761.14, 27,270.96 and 10,808.48 is: 14,916.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.14 : 27,270.96 = 10,808.48 : x
  2. Step 2: Convert to fraction form
    19,761.14/27,270.96 = 10,808.48/x
  3. Step 3: Cross multiply
    19,761.14x = 27,270.96 × 10,808.48
  4. Step 4: Simplify right side
    19,761.14x = 294,757,625.74
  5. Step 5: Solve for x
    x = 294,757,625.74/19,761.14
  6. Step 6: Final answer
    x = 14,916.02

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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.