Home / 14,690.27-20,272.59-7,975.89

Finding the Fourth Proportional to 14,690.27, 20,272.59 and 7,975.89

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Solution

The fourth proportional to 14,690.27, 20,272.59 and 7,975.89 is: 11,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.27 : 20,272.59 = 7,975.89 : x
  2. Step 2: Convert to fraction form
    14,690.27/20,272.59 = 7,975.89/x
  3. Step 3: Cross multiply
    14,690.27x = 20,272.59 × 7,975.89
  4. Step 4: Simplify right side
    14,690.27x = 161,691,993.97
  5. Step 5: Solve for x
    x = 161,691,993.97/14,690.27
  6. Step 6: Final answer
    x = 11,006.74

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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.