Home / 18,282.74-27,418.67-7,752.60

Finding the Fourth Proportional to 18,282.74, 27,418.67 and 7,752.60

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Solution

The fourth proportional to 18,282.74, 27,418.67 and 7,752.60 is: 11,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.74 : 27,418.67 = 7,752.60 : x
  2. Step 2: Convert to fraction form
    18,282.74/27,418.67 = 7,752.60/x
  3. Step 3: Cross multiply
    18,282.74x = 27,418.67 × 7,752.60
  4. Step 4: Simplify right side
    18,282.74x = 212,565,971.35
  5. Step 5: Solve for x
    x = 212,565,971.35/18,282.74
  6. Step 6: Final answer
    x = 11,626.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.