Home / 19,700.82-27,183.15-12,533.58

Finding the Fourth Proportional to 19,700.82, 27,183.15 and 12,533.58

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Solution

The fourth proportional to 19,700.82, 27,183.15 and 12,533.58 is: 17,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700.82 : 27,183.15 = 12,533.58 : x
  2. Step 2: Convert to fraction form
    19,700.82/27,183.15 = 12,533.58/x
  3. Step 3: Cross multiply
    19,700.82x = 27,183.15 × 12,533.58
  4. Step 4: Simplify right side
    19,700.82x = 340,702,185.18
  5. Step 5: Solve for x
    x = 340,702,185.18/19,700.82
  6. Step 6: Final answer
    x = 17,293.81

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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.