Home / 27,122.90-37,429.56-15,186.24

Finding the Fourth Proportional to 27,122.90, 37,429.56 and 15,186.24

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Solution

The fourth proportional to 27,122.90, 37,429.56 and 15,186.24 is: 20,956.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,122.90 : 37,429.56 = 15,186.24 : x
  2. Step 2: Convert to fraction form
    27,122.90/37,429.56 = 15,186.24/x
  3. Step 3: Cross multiply
    27,122.90x = 37,429.56 × 15,186.24
  4. Step 4: Simplify right side
    27,122.90x = 568,414,281.25
  5. Step 5: Solve for x
    x = 568,414,281.25/27,122.90
  6. Step 6: Final answer
    x = 20,956.99

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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.