Home / 13,773.57-20,672.33-7,539.27

Finding the Fourth Proportional to 13,773.57, 20,672.33 and 7,539.27

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Solution

The fourth proportional to 13,773.57, 20,672.33 and 7,539.27 is: 11,315.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.57 : 20,672.33 = 7,539.27 : x
  2. Step 2: Convert to fraction form
    13,773.57/20,672.33 = 7,539.27/x
  3. Step 3: Cross multiply
    13,773.57x = 20,672.33 × 7,539.27
  4. Step 4: Simplify right side
    13,773.57x = 155,854,239.70
  5. Step 5: Solve for x
    x = 155,854,239.70/13,773.57
  6. Step 6: Final answer
    x = 11,315.46

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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.