Home / 14,741.91-20,363.74-11,778.53

Finding the Fourth Proportional to 14,741.91, 20,363.74 and 11,778.53

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Solution

The fourth proportional to 14,741.91, 20,363.74 and 11,778.53 is: 16,270.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,741.91 : 20,363.74 = 11,778.53 : x
  2. Step 2: Convert to fraction form
    14,741.91/20,363.74 = 11,778.53/x
  3. Step 3: Cross multiply
    14,741.91x = 20,363.74 × 11,778.53
  4. Step 4: Simplify right side
    14,741.91x = 239,854,791.24
  5. Step 5: Solve for x
    x = 239,854,791.24/14,741.91
  6. Step 6: Final answer
    x = 16,270.27

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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.