Home / 27,074.21-37,363.59-15,137.55

Finding the Fourth Proportional to 27,074.21, 37,363.59 and 15,137.55

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Solution

The fourth proportional to 27,074.21, 37,363.59 and 15,137.55 is: 20,890.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,074.21 : 37,363.59 = 15,137.55 : x
  2. Step 2: Convert to fraction form
    27,074.21/37,363.59 = 15,137.55/x
  3. Step 3: Cross multiply
    27,074.21x = 37,363.59 × 15,137.55
  4. Step 4: Simplify right side
    27,074.21x = 565,593,211.80
  5. Step 5: Solve for x
    x = 565,593,211.80/27,074.21
  6. Step 6: Final answer
    x = 20,890.48

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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.