Home / 14,371.05-19,831.84-8,083.42

Finding the Fourth Proportional to 14,371.05, 19,831.84 and 8,083.42

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Solution

The fourth proportional to 14,371.05, 19,831.84 and 8,083.42 is: 11,155.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371.05 : 19,831.84 = 8,083.42 : x
  2. Step 2: Convert to fraction form
    14,371.05/19,831.84 = 8,083.42/x
  3. Step 3: Cross multiply
    14,371.05x = 19,831.84 × 8,083.42
  4. Step 4: Simplify right side
    14,371.05x = 160,309,092.09
  5. Step 5: Solve for x
    x = 160,309,092.09/14,371.05
  6. Step 6: Final answer
    x = 11,155.00

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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.