Home / 27,122.22-37,429.36-15,188.08

Finding the Fourth Proportional to 27,122.22, 37,429.36 and 15,188.08

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Solution

The fourth proportional to 27,122.22, 37,429.36 and 15,188.08 is: 20,959.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,122.22 : 37,429.36 = 15,188.08 : x
  2. Step 2: Convert to fraction form
    27,122.22/37,429.36 = 15,188.08/x
  3. Step 3: Cross multiply
    27,122.22x = 37,429.36 × 15,188.08
  4. Step 4: Simplify right side
    27,122.22x = 568,480,114.03
  5. Step 5: Solve for x
    x = 568,480,114.03/27,122.22
  6. Step 6: Final answer
    x = 20,959.94

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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.