Home / 23,918.70-33,012.38-15,838.11

Finding the Fourth Proportional to 23,918.70, 33,012.38 and 15,838.11

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Solution

The fourth proportional to 23,918.70, 33,012.38 and 15,838.11 is: 21,859.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,918.70 : 33,012.38 = 15,838.11 : x
  2. Step 2: Convert to fraction form
    23,918.70/33,012.38 = 15,838.11/x
  3. Step 3: Cross multiply
    23,918.70x = 33,012.38 × 15,838.11
  4. Step 4: Simplify right side
    23,918.70x = 522,853,626.61
  5. Step 5: Solve for x
    x = 522,853,626.61/23,918.70
  6. Step 6: Final answer
    x = 21,859.62

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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.