Home / 18,613.68-27,924.64-6,137.56

Finding the Fourth Proportional to 18,613.68, 27,924.64 and 6,137.56

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Solution

The fourth proportional to 18,613.68, 27,924.64 and 6,137.56 is: 9,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.68 : 27,924.64 = 6,137.56 : x
  2. Step 2: Convert to fraction form
    18,613.68/27,924.64 = 6,137.56/x
  3. Step 3: Cross multiply
    18,613.68x = 27,924.64 × 6,137.56
  4. Step 4: Simplify right side
    18,613.68x = 171,389,153.48
  5. Step 5: Solve for x
    x = 171,389,153.48/18,613.68
  6. Step 6: Final answer
    x = 9,207.70

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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.