Home / 22,049.18-30,428.42-11,977.62

Finding the Fourth Proportional to 22,049.18, 30,428.42 and 11,977.62

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Solution

The fourth proportional to 22,049.18, 30,428.42 and 11,977.62 is: 16,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,049.18 : 30,428.42 = 11,977.62 : x
  2. Step 2: Convert to fraction form
    22,049.18/30,428.42 = 11,977.62/x
  3. Step 3: Cross multiply
    22,049.18x = 30,428.42 × 11,977.62
  4. Step 4: Simplify right side
    22,049.18x = 364,460,051.96
  5. Step 5: Solve for x
    x = 364,460,051.96/22,049.18
  6. Step 6: Final answer
    x = 16,529.42

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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.