Home / 23,971.10-33,078.62-13,215.42

Finding the Fourth Proportional to 23,971.10, 33,078.62 and 13,215.42

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Solution

The fourth proportional to 23,971.10, 33,078.62 and 13,215.42 is: 18,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,971.10 : 33,078.62 = 13,215.42 : x
  2. Step 2: Convert to fraction form
    23,971.10/33,078.62 = 13,215.42/x
  3. Step 3: Cross multiply
    23,971.10x = 33,078.62 × 13,215.42
  4. Step 4: Simplify right side
    23,971.10x = 437,147,889.36
  5. Step 5: Solve for x
    x = 437,147,889.36/23,971.10
  6. Step 6: Final answer
    x = 18,236.45

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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.