Home / 14,997.11-20,696.04-8,282.61

Finding the Fourth Proportional to 14,997.11, 20,696.04 and 8,282.61

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Solution

The fourth proportional to 14,997.11, 20,696.04 and 8,282.61 is: 11,430.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997.11 : 20,696.04 = 8,282.61 : x
  2. Step 2: Convert to fraction form
    14,997.11/20,696.04 = 8,282.61/x
  3. Step 3: Cross multiply
    14,997.11x = 20,696.04 × 8,282.61
  4. Step 4: Simplify right side
    14,997.11x = 171,417,227.86
  5. Step 5: Solve for x
    x = 171,417,227.86/14,997.11
  6. Step 6: Final answer
    x = 11,430.02

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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.