Home / 15,986.86-22,066.49-9,273.98

Finding the Fourth Proportional to 15,986.86, 22,066.49 and 9,273.98

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Solution

The fourth proportional to 15,986.86, 22,066.49 and 9,273.98 is: 12,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.86 : 22,066.49 = 9,273.98 : x
  2. Step 2: Convert to fraction form
    15,986.86/22,066.49 = 9,273.98/x
  3. Step 3: Cross multiply
    15,986.86x = 22,066.49 × 9,273.98
  4. Step 4: Simplify right side
    15,986.86x = 204,644,265.28
  5. Step 5: Solve for x
    x = 204,644,265.28/15,986.86
  6. Step 6: Final answer
    x = 12,800.78

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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.