Home / 18,396.45-25,392.69-10,842.26

Finding the Fourth Proportional to 18,396.45, 25,392.69 and 10,842.26

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Solution

The fourth proportional to 18,396.45, 25,392.69 and 10,842.26 is: 14,965.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.45 : 25,392.69 = 10,842.26 : x
  2. Step 2: Convert to fraction form
    18,396.45/25,392.69 = 10,842.26/x
  3. Step 3: Cross multiply
    18,396.45x = 25,392.69 × 10,842.26
  4. Step 4: Simplify right side
    18,396.45x = 275,314,020.12
  5. Step 5: Solve for x
    x = 275,314,020.12/18,396.45
  6. Step 6: Final answer
    x = 14,965.61

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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.