Home / 20,741.66-31,109.85-6,700.23

Finding the Fourth Proportional to 20,741.66, 31,109.85 and 6,700.23

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Solution

The fourth proportional to 20,741.66, 31,109.85 and 6,700.23 is: 10,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741.66 : 31,109.85 = 6,700.23 : x
  2. Step 2: Convert to fraction form
    20,741.66/31,109.85 = 6,700.23/x
  3. Step 3: Cross multiply
    20,741.66x = 31,109.85 × 6,700.23
  4. Step 4: Simplify right side
    20,741.66x = 208,443,150.27
  5. Step 5: Solve for x
    x = 208,443,150.27/20,741.66
  6. Step 6: Final answer
    x = 10,049.49

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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.