Home / 23,338.26-32,212.62-13,905

Finding the Fourth Proportional to 23,338.26, 32,212.62 and 13,905

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Solution

The fourth proportional to 23,338.26, 32,212.62 and 13,905 is: 19,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,338.26 : 32,212.62 = 13,905 : x
  2. Step 2: Convert to fraction form
    23,338.26/32,212.62 = 13,905/x
  3. Step 3: Cross multiply
    23,338.26x = 32,212.62 × 13,905
  4. Step 4: Simplify right side
    23,338.26x = 447,916,481.10
  5. Step 5: Solve for x
    x = 447,916,481.10/23,338.26
  6. Step 6: Final answer
    x = 19,192.37

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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.