Home / 13,747.48-20,571.96-11,904.92

Finding the Fourth Proportional to 13,747.48, 20,571.96 and 11,904.92

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Solution

The fourth proportional to 13,747.48, 20,571.96 and 11,904.92 is: 17,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.48 : 20,571.96 = 11,904.92 : x
  2. Step 2: Convert to fraction form
    13,747.48/20,571.96 = 11,904.92/x
  3. Step 3: Cross multiply
    13,747.48x = 20,571.96 × 11,904.92
  4. Step 4: Simplify right side
    13,747.48x = 244,907,538.04
  5. Step 5: Solve for x
    x = 244,907,538.04/13,747.48
  6. Step 6: Final answer
    x = 17,814.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.