Home / 23,965.76-33,072.36-13,355.12

Finding the Fourth Proportional to 23,965.76, 33,072.36 and 13,355.12

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Solution

The fourth proportional to 23,965.76, 33,072.36 and 13,355.12 is: 18,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,965.76 : 33,072.36 = 13,355.12 : x
  2. Step 2: Convert to fraction form
    23,965.76/33,072.36 = 13,355.12/x
  3. Step 3: Cross multiply
    23,965.76x = 33,072.36 × 13,355.12
  4. Step 4: Simplify right side
    23,965.76x = 441,685,336.48
  5. Step 5: Solve for x
    x = 441,685,336.48/23,965.76
  6. Step 6: Final answer
    x = 18,429.85

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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.