Home / 27,314.52-40,987.71-11,518.58

Finding the Fourth Proportional to 27,314.52, 40,987.71 and 11,518.58

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Solution

The fourth proportional to 27,314.52, 40,987.71 and 11,518.58 is: 17,284.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,314.52 : 40,987.71 = 11,518.58 : x
  2. Step 2: Convert to fraction form
    27,314.52/40,987.71 = 11,518.58/x
  3. Step 3: Cross multiply
    27,314.52x = 40,987.71 × 11,518.58
  4. Step 4: Simplify right side
    27,314.52x = 472,120,216.65
  5. Step 5: Solve for x
    x = 472,120,216.65/27,314.52
  6. Step 6: Final answer
    x = 17,284.59

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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.