Home / 14,741.72-20,363.48-11,778.34

Finding the Fourth Proportional to 14,741.72, 20,363.48 and 11,778.34

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Solution

The fourth proportional to 14,741.72, 20,363.48 and 11,778.34 is: 16,270.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,741.72 : 20,363.48 = 11,778.34 : x
  2. Step 2: Convert to fraction form
    14,741.72/20,363.48 = 11,778.34/x
  3. Step 3: Cross multiply
    14,741.72x = 20,363.48 × 11,778.34
  4. Step 4: Simplify right side
    14,741.72x = 239,847,969.56
  5. Step 5: Solve for x
    x = 239,847,969.56/14,741.72
  6. Step 6: Final answer
    x = 16,270.01

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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.