Home / 18,309.06-25,264.80-10,351.26

Finding the Fourth Proportional to 18,309.06, 25,264.80 and 10,351.26

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Solution

The fourth proportional to 18,309.06, 25,264.80 and 10,351.26 is: 14,283.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.06 : 25,264.80 = 10,351.26 : x
  2. Step 2: Convert to fraction form
    18,309.06/25,264.80 = 10,351.26/x
  3. Step 3: Cross multiply
    18,309.06x = 25,264.80 × 10,351.26
  4. Step 4: Simplify right side
    18,309.06x = 261,522,513.65
  5. Step 5: Solve for x
    x = 261,522,513.65/18,309.06
  6. Step 6: Final answer
    x = 14,283.78

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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.