Home / 16,833.45-23,221.61-12,847.65

Finding the Fourth Proportional to 16,833.45, 23,221.61 and 12,847.65

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Solution

The fourth proportional to 16,833.45, 23,221.61 and 12,847.65 is: 17,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,833.45 : 23,221.61 = 12,847.65 : x
  2. Step 2: Convert to fraction form
    16,833.45/23,221.61 = 12,847.65/x
  3. Step 3: Cross multiply
    16,833.45x = 23,221.61 × 12,847.65
  4. Step 4: Simplify right side
    16,833.45x = 298,343,001.61
  5. Step 5: Solve for x
    x = 298,343,001.61/16,833.45
  6. Step 6: Final answer
    x = 17,723.22

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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.