Home / 21,933.27-30,267.09-12,500.01

Finding the Fourth Proportional to 21,933.27, 30,267.09 and 12,500.01

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Solution

The fourth proportional to 21,933.27, 30,267.09 and 12,500.01 is: 17,249.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933.27 : 30,267.09 = 12,500.01 : x
  2. Step 2: Convert to fraction form
    21,933.27/30,267.09 = 12,500.01/x
  3. Step 3: Cross multiply
    21,933.27x = 30,267.09 × 12,500.01
  4. Step 4: Simplify right side
    21,933.27x = 378,338,927.67
  5. Step 5: Solve for x
    x = 378,338,927.67/21,933.27
  6. Step 6: Final answer
    x = 17,249.54

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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.