Home / 16,665.92-22,940.46-15,091.28

Finding the Fourth Proportional to 16,665.92, 22,940.46 and 15,091.28

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Solution

The fourth proportional to 16,665.92, 22,940.46 and 15,091.28 is: 20,772.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665.92 : 22,940.46 = 15,091.28 : x
  2. Step 2: Convert to fraction form
    16,665.92/22,940.46 = 15,091.28/x
  3. Step 3: Cross multiply
    16,665.92x = 22,940.46 × 15,091.28
  4. Step 4: Simplify right side
    16,665.92x = 346,200,905.19
  5. Step 5: Solve for x
    x = 346,200,905.19/16,665.92
  6. Step 6: Final answer
    x = 20,772.98

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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.