Home / 23,921.10-33,010.20-13,310.50

Finding the Fourth Proportional to 23,921.10, 33,010.20 and 13,310.50

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Solution

The fourth proportional to 23,921.10, 33,010.20 and 13,310.50 is: 18,367.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,921.10 : 33,010.20 = 13,310.50 : x
  2. Step 2: Convert to fraction form
    23,921.10/33,010.20 = 13,310.50/x
  3. Step 3: Cross multiply
    23,921.10x = 33,010.20 × 13,310.50
  4. Step 4: Simplify right side
    23,921.10x = 439,382,267.10
  5. Step 5: Solve for x
    x = 439,382,267.10/23,921.10
  6. Step 6: Final answer
    x = 18,367.98

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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.