Home / 16,107.45-22,217.02-15,565.56

Finding the Fourth Proportional to 16,107.45, 22,217.02 and 15,565.56

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Solution

The fourth proportional to 16,107.45, 22,217.02 and 15,565.56 is: 21,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,107.45 : 22,217.02 = 15,565.56 : x
  2. Step 2: Convert to fraction form
    16,107.45/22,217.02 = 15,565.56/x
  3. Step 3: Cross multiply
    16,107.45x = 22,217.02 × 15,565.56
  4. Step 4: Simplify right side
    16,107.45x = 345,820,357.83
  5. Step 5: Solve for x
    x = 345,820,357.83/16,107.45
  6. Step 6: Final answer
    x = 21,469.59

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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.