Home / 23,930.37-33,020.13-13,859.76

Finding the Fourth Proportional to 23,930.37, 33,020.13 and 13,859.76

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Solution

The fourth proportional to 23,930.37, 33,020.13 and 13,859.76 is: 19,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,930.37 : 33,020.13 = 13,859.76 : x
  2. Step 2: Convert to fraction form
    23,930.37/33,020.13 = 13,859.76/x
  3. Step 3: Cross multiply
    23,930.37x = 33,020.13 × 13,859.76
  4. Step 4: Simplify right side
    23,930.37x = 457,651,076.97
  5. Step 5: Solve for x
    x = 457,651,076.97/23,930.37
  6. Step 6: Final answer
    x = 19,124.28

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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.