Home / 21,996.24-30,354.48-11,924.50

Finding the Fourth Proportional to 21,996.24, 30,354.48 and 11,924.50

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Solution

The fourth proportional to 21,996.24, 30,354.48 and 11,924.50 is: 16,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.24 : 30,354.48 = 11,924.50 : x
  2. Step 2: Convert to fraction form
    21,996.24/30,354.48 = 11,924.50/x
  3. Step 3: Cross multiply
    21,996.24x = 30,354.48 × 11,924.50
  4. Step 4: Simplify right side
    21,996.24x = 361,961,996.76
  5. Step 5: Solve for x
    x = 361,961,996.76/21,996.24
  6. Step 6: Final answer
    x = 16,455.63

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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.