Home / 19,934.43-27,509.36-10,982.91

Finding the Fourth Proportional to 19,934.43, 27,509.36 and 10,982.91

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Solution

The fourth proportional to 19,934.43, 27,509.36 and 10,982.91 is: 15,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934.43 : 27,509.36 = 10,982.91 : x
  2. Step 2: Convert to fraction form
    19,934.43/27,509.36 = 10,982.91/x
  3. Step 3: Cross multiply
    19,934.43x = 27,509.36 × 10,982.91
  4. Step 4: Simplify right side
    19,934.43x = 302,132,770.12
  5. Step 5: Solve for x
    x = 302,132,770.12/19,934.43
  6. Step 6: Final answer
    x = 15,156.33

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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.