Home / 13,682.96-20,501.94-5,778.98

Finding the Fourth Proportional to 13,682.96, 20,501.94 and 5,778.98

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Solution

The fourth proportional to 13,682.96, 20,501.94 and 5,778.98 is: 8,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682.96 : 20,501.94 = 5,778.98 : x
  2. Step 2: Convert to fraction form
    13,682.96/20,501.94 = 5,778.98/x
  3. Step 3: Cross multiply
    13,682.96x = 20,501.94 × 5,778.98
  4. Step 4: Simplify right side
    13,682.96x = 118,480,301.22
  5. Step 5: Solve for x
    x = 118,480,301.22/13,682.96
  6. Step 6: Final answer
    x = 8,658.97

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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.