Home / 18,217.24-27,322.78-5,070.92

Finding the Fourth Proportional to 18,217.24, 27,322.78 and 5,070.92

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Solution

The fourth proportional to 18,217.24, 27,322.78 and 5,070.92 is: 7,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.24 : 27,322.78 = 5,070.92 : x
  2. Step 2: Convert to fraction form
    18,217.24/27,322.78 = 5,070.92/x
  3. Step 3: Cross multiply
    18,217.24x = 27,322.78 × 5,070.92
  4. Step 4: Simplify right side
    18,217.24x = 138,551,631.56
  5. Step 5: Solve for x
    x = 138,551,631.56/18,217.24
  6. Step 6: Final answer
    x = 7,605.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.