Home / 14,371.30-19,830.99-8,083.54

Finding the Fourth Proportional to 14,371.30, 19,830.99 and 8,083.54

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Solution

The fourth proportional to 14,371.30, 19,830.99 and 8,083.54 is: 11,154.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371.30 : 19,830.99 = 8,083.54 : x
  2. Step 2: Convert to fraction form
    14,371.30/19,830.99 = 8,083.54/x
  3. Step 3: Cross multiply
    14,371.30x = 19,830.99 × 8,083.54
  4. Step 4: Simplify right side
    14,371.30x = 160,304,600.90
  5. Step 5: Solve for x
    x = 160,304,600.90/14,371.30
  6. Step 6: Final answer
    x = 11,154.50

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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.