Home / 21,924.35-30,262.44-12,499.19

Finding the Fourth Proportional to 21,924.35, 30,262.44 and 12,499.19

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Solution

The fourth proportional to 21,924.35, 30,262.44 and 12,499.19 is: 17,252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.35 : 30,262.44 = 12,499.19 : x
  2. Step 2: Convert to fraction form
    21,924.35/30,262.44 = 12,499.19/x
  3. Step 3: Cross multiply
    21,924.35x = 30,262.44 × 12,499.19
  4. Step 4: Simplify right side
    21,924.35x = 378,255,836.11
  5. Step 5: Solve for x
    x = 378,255,836.11/21,924.35
  6. Step 6: Final answer
    x = 17,252.78

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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.