Home / 18,566.68-27,822.68-13,613.16

Finding the Fourth Proportional to 18,566.68, 27,822.68 and 13,613.16

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Solution

The fourth proportional to 18,566.68, 27,822.68 and 13,613.16 is: 20,399.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566.68 : 27,822.68 = 13,613.16 : x
  2. Step 2: Convert to fraction form
    18,566.68/27,822.68 = 13,613.16/x
  3. Step 3: Cross multiply
    18,566.68x = 27,822.68 × 13,613.16
  4. Step 4: Simplify right side
    18,566.68x = 378,754,594.47
  5. Step 5: Solve for x
    x = 378,754,594.47/18,566.68
  6. Step 6: Final answer
    x = 20,399.69

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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.