Home / 19,609.68-27,034.86-13,311.12

Finding the Fourth Proportional to 19,609.68, 27,034.86 and 13,311.12

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Solution

The fourth proportional to 19,609.68, 27,034.86 and 13,311.12 is: 18,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.68 : 27,034.86 = 13,311.12 : x
  2. Step 2: Convert to fraction form
    19,609.68/27,034.86 = 13,311.12/x
  3. Step 3: Cross multiply
    19,609.68x = 27,034.86 × 13,311.12
  4. Step 4: Simplify right side
    19,609.68x = 359,864,265.64
  5. Step 5: Solve for x
    x = 359,864,265.64/19,609.68
  6. Step 6: Final answer
    x = 18,351.36

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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.