Home / 27,103.18-37,403.84-15,165.80

Finding the Fourth Proportional to 27,103.18, 37,403.84 and 15,165.80

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Solution

The fourth proportional to 27,103.18, 37,403.84 and 15,165.80 is: 20,929.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,103.18 : 37,403.84 = 15,165.80 : x
  2. Step 2: Convert to fraction form
    27,103.18/37,403.84 = 15,165.80/x
  3. Step 3: Cross multiply
    27,103.18x = 37,403.84 × 15,165.80
  4. Step 4: Simplify right side
    27,103.18x = 567,259,156.67
  5. Step 5: Solve for x
    x = 567,259,156.67/27,103.18
  6. Step 6: Final answer
    x = 20,929.62

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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.