Home / 27,150.32-37,463.64-15,212.72

Finding the Fourth Proportional to 27,150.32, 37,463.64 and 15,212.72

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Solution

The fourth proportional to 27,150.32, 37,463.64 and 15,212.72 is: 20,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.32 : 37,463.64 = 15,212.72 : x
  2. Step 2: Convert to fraction form
    27,150.32/37,463.64 = 15,212.72/x
  3. Step 3: Cross multiply
    27,150.32x = 37,463.64 × 15,212.72
  4. Step 4: Simplify right side
    27,150.32x = 569,923,865.50
  5. Step 5: Solve for x
    x = 569,923,865.50/27,150.32
  6. Step 6: Final answer
    x = 20,991.42

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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.