Home / 22,030.19-30,400.83-11,958.41

Finding the Fourth Proportional to 22,030.19, 30,400.83 and 11,958.41

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Solution

The fourth proportional to 22,030.19, 30,400.83 and 11,958.41 is: 16,502.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.19 : 30,400.83 = 11,958.41 : x
  2. Step 2: Convert to fraction form
    22,030.19/30,400.83 = 11,958.41/x
  3. Step 3: Cross multiply
    22,030.19x = 30,400.83 × 11,958.41
  4. Step 4: Simplify right side
    22,030.19x = 363,545,589.48
  5. Step 5: Solve for x
    x = 363,545,589.48/22,030.19
  6. Step 6: Final answer
    x = 16,502.15

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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.