Home / 18,298.14-27,447.08-5,150.43

Finding the Fourth Proportional to 18,298.14, 27,447.08 and 5,150.43

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Solution

The fourth proportional to 18,298.14, 27,447.08 and 5,150.43 is: 7,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.14 : 27,447.08 = 5,150.43 : x
  2. Step 2: Convert to fraction form
    18,298.14/27,447.08 = 5,150.43/x
  3. Step 3: Cross multiply
    18,298.14x = 27,447.08 × 5,150.43
  4. Step 4: Simplify right side
    18,298.14x = 141,364,238.49
  5. Step 5: Solve for x
    x = 141,364,238.49/18,298.14
  6. Step 6: Final answer
    x = 7,725.61

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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.