Home / 16,128.92-22,260.48-9,057.60

Finding the Fourth Proportional to 16,128.92, 22,260.48 and 9,057.60

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Solution

The fourth proportional to 16,128.92, 22,260.48 and 9,057.60 is: 12,500.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.92 : 22,260.48 = 9,057.60 : x
  2. Step 2: Convert to fraction form
    16,128.92/22,260.48 = 9,057.60/x
  3. Step 3: Cross multiply
    16,128.92x = 22,260.48 × 9,057.60
  4. Step 4: Simplify right side
    16,128.92x = 201,626,523.65
  5. Step 5: Solve for x
    x = 201,626,523.65/16,128.92
  6. Step 6: Final answer
    x = 12,500.93

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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.