Home / 13,936.26-20,911.56-9,259.50

Finding the Fourth Proportional to 13,936.26, 20,911.56 and 9,259.50

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Solution

The fourth proportional to 13,936.26, 20,911.56 and 9,259.50 is: 13,894.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.26 : 20,911.56 = 9,259.50 : x
  2. Step 2: Convert to fraction form
    13,936.26/20,911.56 = 9,259.50/x
  3. Step 3: Cross multiply
    13,936.26x = 20,911.56 × 9,259.50
  4. Step 4: Simplify right side
    13,936.26x = 193,630,589.82
  5. Step 5: Solve for x
    x = 193,630,589.82/13,936.26
  6. Step 6: Final answer
    x = 13,894.01

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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.