Home / 13,588.82-20,379.27-5,266.98

Finding the Fourth Proportional to 13,588.82, 20,379.27 and 5,266.98

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Solution

The fourth proportional to 13,588.82, 20,379.27 and 5,266.98 is: 7,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.82 : 20,379.27 = 5,266.98 : x
  2. Step 2: Convert to fraction form
    13,588.82/20,379.27 = 5,266.98/x
  3. Step 3: Cross multiply
    13,588.82x = 20,379.27 × 5,266.98
  4. Step 4: Simplify right side
    13,588.82x = 107,337,207.50
  5. Step 5: Solve for x
    x = 107,337,207.50/13,588.82
  6. Step 6: Final answer
    x = 7,898.94

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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.