Home / 27,105.35-37,402.02-15,165.68

Finding the Fourth Proportional to 27,105.35, 37,402.02 and 15,165.68

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Solution

The fourth proportional to 27,105.35, 37,402.02 and 15,165.68 is: 20,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,105.35 : 37,402.02 = 15,165.68 : x
  2. Step 2: Convert to fraction form
    27,105.35/37,402.02 = 15,165.68/x
  3. Step 3: Cross multiply
    27,105.35x = 37,402.02 × 15,165.68
  4. Step 4: Simplify right side
    27,105.35x = 567,226,879.66
  5. Step 5: Solve for x
    x = 567,226,879.66/27,105.35
  6. Step 6: Final answer
    x = 20,926.75

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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.