Home / 18,806.12-25,952.46-10,422.62

Finding the Fourth Proportional to 18,806.12, 25,952.46 and 10,422.62

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Solution

The fourth proportional to 18,806.12, 25,952.46 and 10,422.62 is: 14,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.12 : 25,952.46 = 10,422.62 : x
  2. Step 2: Convert to fraction form
    18,806.12/25,952.46 = 10,422.62/x
  3. Step 3: Cross multiply
    18,806.12x = 25,952.46 × 10,422.62
  4. Step 4: Simplify right side
    18,806.12x = 270,492,628.65
  5. Step 5: Solve for x
    x = 270,492,628.65/18,806.12
  6. Step 6: Final answer
    x = 14,383.22

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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.