Home / 19,671.36-27,146.62-10,719.10

Finding the Fourth Proportional to 19,671.36, 27,146.62 and 10,719.10

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Solution

The fourth proportional to 19,671.36, 27,146.62 and 10,719.10 is: 14,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.36 : 27,146.62 = 10,719.10 : x
  2. Step 2: Convert to fraction form
    19,671.36/27,146.62 = 10,719.10/x
  3. Step 3: Cross multiply
    19,671.36x = 27,146.62 × 10,719.10
  4. Step 4: Simplify right side
    19,671.36x = 290,987,334.44
  5. Step 5: Solve for x
    x = 290,987,334.44/19,671.36
  6. Step 6: Final answer
    x = 14,792.44

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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.