Home / 27,109.53-37,432.67-18,043.61

Finding the Fourth Proportional to 27,109.53, 37,432.67 and 18,043.61

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Solution

The fourth proportional to 27,109.53, 37,432.67 and 18,043.61 is: 24,914.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,109.53 : 37,432.67 = 18,043.61 : x
  2. Step 2: Convert to fraction form
    27,109.53/37,432.67 = 18,043.61/x
  3. Step 3: Cross multiply
    27,109.53x = 37,432.67 × 18,043.61
  4. Step 4: Simplify right side
    27,109.53x = 675,420,221.36
  5. Step 5: Solve for x
    x = 675,420,221.36/27,109.53
  6. Step 6: Final answer
    x = 24,914.49

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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.