Home / 16,884.87-23,299.95-9,331.05

Finding the Fourth Proportional to 16,884.87, 23,299.95 and 9,331.05

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Solution

The fourth proportional to 16,884.87, 23,299.95 and 9,331.05 is: 12,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,884.87 : 23,299.95 = 9,331.05 : x
  2. Step 2: Convert to fraction form
    16,884.87/23,299.95 = 9,331.05/x
  3. Step 3: Cross multiply
    16,884.87x = 23,299.95 × 9,331.05
  4. Step 4: Simplify right side
    16,884.87x = 217,412,998.45
  5. Step 5: Solve for x
    x = 217,412,998.45/16,884.87
  6. Step 6: Final answer
    x = 12,876.20

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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.