Home / 22,029.90-30,400.44-11,958.13

Finding the Fourth Proportional to 22,029.90, 30,400.44 and 11,958.13

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Solution

The fourth proportional to 22,029.90, 30,400.44 and 11,958.13 is: 16,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029.90 : 30,400.44 = 11,958.13 : x
  2. Step 2: Convert to fraction form
    22,029.90/30,400.44 = 11,958.13/x
  3. Step 3: Cross multiply
    22,029.90x = 30,400.44 × 11,958.13
  4. Step 4: Simplify right side
    22,029.90x = 363,532,337.58
  5. Step 5: Solve for x
    x = 363,532,337.58/22,029.90
  6. Step 6: Final answer
    x = 16,501.77

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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.