Home / 19,715.82-27,206.78-10,761.58

Finding the Fourth Proportional to 19,715.82, 27,206.78 and 10,761.58

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Solution

The fourth proportional to 19,715.82, 27,206.78 and 10,761.58 is: 14,850.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.82 : 27,206.78 = 10,761.58 : x
  2. Step 2: Convert to fraction form
    19,715.82/27,206.78 = 10,761.58/x
  3. Step 3: Cross multiply
    19,715.82x = 27,206.78 × 10,761.58
  4. Step 4: Simplify right side
    19,715.82x = 292,787,939.51
  5. Step 5: Solve for x
    x = 292,787,939.51/19,715.82
  6. Step 6: Final answer
    x = 14,850.41

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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.