Home / 13,735.48-20,566.31-11,299.71

Finding the Fourth Proportional to 13,735.48, 20,566.31 and 11,299.71

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Solution

The fourth proportional to 13,735.48, 20,566.31 and 11,299.71 is: 16,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735.48 : 20,566.31 = 11,299.71 : x
  2. Step 2: Convert to fraction form
    13,735.48/20,566.31 = 11,299.71/x
  3. Step 3: Cross multiply
    13,735.48x = 20,566.31 × 11,299.71
  4. Step 4: Simplify right side
    13,735.48x = 232,393,315.60
  5. Step 5: Solve for x
    x = 232,393,315.60/13,735.48
  6. Step 6: Final answer
    x = 16,919.20

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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.