Home / 20,056.72-30,114.66-11,189.38

Finding the Fourth Proportional to 20,056.72, 30,114.66 and 11,189.38

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Solution

The fourth proportional to 20,056.72, 30,114.66 and 11,189.38 is: 16,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.72 : 30,114.66 = 11,189.38 : x
  2. Step 2: Convert to fraction form
    20,056.72/30,114.66 = 11,189.38/x
  3. Step 3: Cross multiply
    20,056.72x = 30,114.66 × 11,189.38
  4. Step 4: Simplify right side
    20,056.72x = 336,964,374.31
  5. Step 5: Solve for x
    x = 336,964,374.31/20,056.72
  6. Step 6: Final answer
    x = 16,800.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.