Home / 14,500.41-20,016.69-9,791.07

Finding the Fourth Proportional to 14,500.41, 20,016.69 and 9,791.07

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Solution

The fourth proportional to 14,500.41, 20,016.69 and 9,791.07 is: 13,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500.41 : 20,016.69 = 9,791.07 : x
  2. Step 2: Convert to fraction form
    14,500.41/20,016.69 = 9,791.07/x
  3. Step 3: Cross multiply
    14,500.41x = 20,016.69 × 9,791.07
  4. Step 4: Simplify right side
    14,500.41x = 195,984,812.96
  5. Step 5: Solve for x
    x = 195,984,812.96/14,500.41
  6. Step 6: Final answer
    x = 13,515.81

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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.