Home / 14,650.56-20,218.04-7,936.47

Finding the Fourth Proportional to 14,650.56, 20,218.04 and 7,936.47

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Solution

The fourth proportional to 14,650.56, 20,218.04 and 7,936.47 is: 10,952.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.56 : 20,218.04 = 7,936.47 : x
  2. Step 2: Convert to fraction form
    14,650.56/20,218.04 = 7,936.47/x
  3. Step 3: Cross multiply
    14,650.56x = 20,218.04 × 7,936.47
  4. Step 4: Simplify right side
    14,650.56x = 160,459,867.92
  5. Step 5: Solve for x
    x = 160,459,867.92/14,650.56
  6. Step 6: Final answer
    x = 10,952.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.