Home / 14,650.89-20,218.29-7,936.59

Finding the Fourth Proportional to 14,650.89, 20,218.29 and 7,936.59

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Solution

The fourth proportional to 14,650.89, 20,218.29 and 7,936.59 is: 10,952.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.89 : 20,218.29 = 7,936.59 : x
  2. Step 2: Convert to fraction form
    14,650.89/20,218.29 = 7,936.59/x
  3. Step 3: Cross multiply
    14,650.89x = 20,218.29 × 7,936.59
  4. Step 4: Simplify right side
    14,650.89x = 160,464,278.23
  5. Step 5: Solve for x
    x = 160,464,278.23/14,650.89
  6. Step 6: Final answer
    x = 10,952.53

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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.