Home / 15,709.75-21,673.44-11,631.27

Finding the Fourth Proportional to 15,709.75, 21,673.44 and 11,631.27

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Solution

The fourth proportional to 15,709.75, 21,673.44 and 11,631.27 is: 16,046.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,709.75 : 21,673.44 = 11,631.27 : x
  2. Step 2: Convert to fraction form
    15,709.75/21,673.44 = 11,631.27/x
  3. Step 3: Cross multiply
    15,709.75x = 21,673.44 × 11,631.27
  4. Step 4: Simplify right side
    15,709.75x = 252,089,632.47
  5. Step 5: Solve for x
    x = 252,089,632.47/15,709.75
  6. Step 6: Final answer
    x = 16,046.70

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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.