Home / 27,146.62-37,463.36-15,209.55

Finding the Fourth Proportional to 27,146.62, 37,463.36 and 15,209.55

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Solution

The fourth proportional to 27,146.62, 37,463.36 and 15,209.55 is: 20,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,146.62 : 37,463.36 = 15,209.55 : x
  2. Step 2: Convert to fraction form
    27,146.62/37,463.36 = 15,209.55/x
  3. Step 3: Cross multiply
    27,146.62x = 37,463.36 × 15,209.55
  4. Step 4: Simplify right side
    27,146.62x = 569,800,751.23
  5. Step 5: Solve for x
    x = 569,800,751.23/27,146.62
  6. Step 6: Final answer
    x = 20,989.75

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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.