Home / 22,029.98-30,400.47-11,958.03

Finding the Fourth Proportional to 22,029.98, 30,400.47 and 11,958.03

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Solution

The fourth proportional to 22,029.98, 30,400.47 and 11,958.03 is: 16,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029.98 : 30,400.47 = 11,958.03 : x
  2. Step 2: Convert to fraction form
    22,029.98/30,400.47 = 11,958.03/x
  3. Step 3: Cross multiply
    22,029.98x = 30,400.47 × 11,958.03
  4. Step 4: Simplify right side
    22,029.98x = 363,529,732.27
  5. Step 5: Solve for x
    x = 363,529,732.27/22,029.98
  6. Step 6: Final answer
    x = 16,501.60

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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.