Home / 14,490.50-19,998.10-9,183.38

Finding the Fourth Proportional to 14,490.50, 19,998.10 and 9,183.38

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Solution

The fourth proportional to 14,490.50, 19,998.10 and 9,183.38 is: 12,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.50 : 19,998.10 = 9,183.38 : x
  2. Step 2: Convert to fraction form
    14,490.50/19,998.10 = 9,183.38/x
  3. Step 3: Cross multiply
    14,490.50x = 19,998.10 × 9,183.38
  4. Step 4: Simplify right side
    14,490.50x = 183,650,151.58
  5. Step 5: Solve for x
    x = 183,650,151.58/14,490.50
  6. Step 6: Final answer
    x = 12,673.83

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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.