Home / 23,975.76-33,087.12-13,221.12

Finding the Fourth Proportional to 23,975.76, 33,087.12 and 13,221.12

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Solution

The fourth proportional to 23,975.76, 33,087.12 and 13,221.12 is: 18,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,975.76 : 33,087.12 = 13,221.12 : x
  2. Step 2: Convert to fraction form
    23,975.76/33,087.12 = 13,221.12/x
  3. Step 3: Cross multiply
    23,975.76x = 33,087.12 × 13,221.12
  4. Step 4: Simplify right side
    23,975.76x = 437,448,783.97
  5. Step 5: Solve for x
    x = 437,448,783.97/23,975.76
  6. Step 6: Final answer
    x = 18,245.46

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Double scale
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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.