Home / 27,618.36-38,113.38-15,043.16

Finding the Fourth Proportional to 27,618.36, 38,113.38 and 15,043.16

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Solution

The fourth proportional to 27,618.36, 38,113.38 and 15,043.16 is: 20,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.36 : 38,113.38 = 15,043.16 : x
  2. Step 2: Convert to fraction form
    27,618.36/38,113.38 = 15,043.16/x
  3. Step 3: Cross multiply
    27,618.36x = 38,113.38 × 15,043.16
  4. Step 4: Simplify right side
    27,618.36x = 573,345,673.48
  5. Step 5: Solve for x
    x = 573,345,673.48/27,618.36
  6. Step 6: Final answer
    x = 20,759.58

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Half scale
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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.