Home / 19,671.75-27,146.97-10,719.33

Finding the Fourth Proportional to 19,671.75, 27,146.97 and 10,719.33

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Solution

The fourth proportional to 19,671.75, 27,146.97 and 10,719.33 is: 14,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.75 : 27,146.97 = 10,719.33 : x
  2. Step 2: Convert to fraction form
    19,671.75/27,146.97 = 10,719.33/x
  3. Step 3: Cross multiply
    19,671.75x = 27,146.97 × 10,719.33
  4. Step 4: Simplify right side
    19,671.75x = 290,997,329.93
  5. Step 5: Solve for x
    x = 290,997,329.93/19,671.75
  6. Step 6: Final answer
    x = 14,792.65

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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.