Home / 23,960.20-33,065.40-13,889.20

Finding the Fourth Proportional to 23,960.20, 33,065.40 and 13,889.20

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Solution

The fourth proportional to 23,960.20, 33,065.40 and 13,889.20 is: 19,167.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,960.20 : 33,065.40 = 13,889.20 : x
  2. Step 2: Convert to fraction form
    23,960.20/33,065.40 = 13,889.20/x
  3. Step 3: Cross multiply
    23,960.20x = 33,065.40 × 13,889.20
  4. Step 4: Simplify right side
    23,960.20x = 459,251,953.68
  5. Step 5: Solve for x
    x = 459,251,953.68/23,960.20
  6. Step 6: Final answer
    x = 19,167.28

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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.