Home / 13,486.26-20,237.49-10,722.54

Finding the Fourth Proportional to 13,486.26, 20,237.49 and 10,722.54

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Solution

The fourth proportional to 13,486.26, 20,237.49 and 10,722.54 is: 16,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.26 : 20,237.49 = 10,722.54 : x
  2. Step 2: Convert to fraction form
    13,486.26/20,237.49 = 10,722.54/x
  3. Step 3: Cross multiply
    13,486.26x = 20,237.49 × 10,722.54
  4. Step 4: Simplify right side
    13,486.26x = 216,997,296.02
  5. Step 5: Solve for x
    x = 216,997,296.02/13,486.26
  6. Step 6: Final answer
    x = 16,090.25

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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.