Home / 16,195.20-22,378.24-12,685.06

Finding the Fourth Proportional to 16,195.20, 22,378.24 and 12,685.06

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Solution

The fourth proportional to 16,195.20, 22,378.24 and 12,685.06 is: 17,527.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,195.20 : 22,378.24 = 12,685.06 : x
  2. Step 2: Convert to fraction form
    16,195.20/22,378.24 = 12,685.06/x
  3. Step 3: Cross multiply
    16,195.20x = 22,378.24 × 12,685.06
  4. Step 4: Simplify right side
    16,195.20x = 283,869,317.09
  5. Step 5: Solve for x
    x = 283,869,317.09/16,195.20
  6. Step 6: Final answer
    x = 17,527.99

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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.