Home / 19,629.96-27,098.19-12,919.11

Finding the Fourth Proportional to 19,629.96, 27,098.19 and 12,919.11

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Solution

The fourth proportional to 19,629.96, 27,098.19 and 12,919.11 is: 17,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.96 : 27,098.19 = 12,919.11 : x
  2. Step 2: Convert to fraction form
    19,629.96/27,098.19 = 12,919.11/x
  3. Step 3: Cross multiply
    19,629.96x = 27,098.19 × 12,919.11
  4. Step 4: Simplify right side
    19,629.96x = 350,084,497.41
  5. Step 5: Solve for x
    x = 350,084,497.41/19,629.96
  6. Step 6: Final answer
    x = 17,834.19

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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.