Home / 23,995.12-33,112.88-13,384.48

Finding the Fourth Proportional to 23,995.12, 33,112.88 and 13,384.48

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Solution

The fourth proportional to 23,995.12, 33,112.88 and 13,384.48 is: 18,470.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,995.12 : 33,112.88 = 13,384.48 : x
  2. Step 2: Convert to fraction form
    23,995.12/33,112.88 = 13,384.48/x
  3. Step 3: Cross multiply
    23,995.12x = 33,112.88 × 13,384.48
  4. Step 4: Simplify right side
    23,995.12x = 443,198,680.10
  5. Step 5: Solve for x
    x = 443,198,680.10/23,995.12
  6. Step 6: Final answer
    x = 18,470.37

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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.