Home / 23,921.76-33,011.84-13,311.44

Finding the Fourth Proportional to 23,921.76, 33,011.84 and 13,311.44

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Solution

The fourth proportional to 23,921.76, 33,011.84 and 13,311.44 is: 18,369.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,921.76 : 33,011.84 = 13,311.44 : x
  2. Step 2: Convert to fraction form
    23,921.76/33,011.84 = 13,311.44/x
  3. Step 3: Cross multiply
    23,921.76x = 33,011.84 × 13,311.44
  4. Step 4: Simplify right side
    23,921.76x = 439,435,127.45
  5. Step 5: Solve for x
    x = 439,435,127.45/23,921.76
  6. Step 6: Final answer
    x = 18,369.68

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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.