Home / 17,206.43-23,756.29-13,220.42

Finding the Fourth Proportional to 17,206.43, 23,756.29 and 13,220.42

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Solution

The fourth proportional to 17,206.43, 23,756.29 and 13,220.42 is: 18,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,206.43 : 23,756.29 = 13,220.42 : x
  2. Step 2: Convert to fraction form
    17,206.43/23,756.29 = 13,220.42/x
  3. Step 3: Cross multiply
    17,206.43x = 23,756.29 × 13,220.42
  4. Step 4: Simplify right side
    17,206.43x = 314,067,979.61
  5. Step 5: Solve for x
    x = 314,067,979.61/17,206.43
  6. Step 6: Final answer
    x = 18,252.95

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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.