Home / 19,685.85-27,192.39-14,591.68

Finding the Fourth Proportional to 19,685.85, 27,192.39 and 14,591.68

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Solution

The fourth proportional to 19,685.85, 27,192.39 and 14,591.68 is: 20,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.85 : 27,192.39 = 14,591.68 : x
  2. Step 2: Convert to fraction form
    19,685.85/27,192.39 = 14,591.68/x
  3. Step 3: Cross multiply
    19,685.85x = 27,192.39 × 14,591.68
  4. Step 4: Simplify right side
    19,685.85x = 396,782,653.32
  5. Step 5: Solve for x
    x = 396,782,653.32/19,685.85
  6. Step 6: Final answer
    x = 20,155.73

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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.