Home / 14,499.41-20,015.31-9,790.07

Finding the Fourth Proportional to 14,499.41, 20,015.31 and 9,790.07

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Solution

The fourth proportional to 14,499.41, 20,015.31 and 9,790.07 is: 13,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.41 : 20,015.31 = 9,790.07 : x
  2. Step 2: Convert to fraction form
    14,499.41/20,015.31 = 9,790.07/x
  3. Step 3: Cross multiply
    14,499.41x = 20,015.31 × 9,790.07
  4. Step 4: Simplify right side
    14,499.41x = 195,951,136.94
  5. Step 5: Solve for x
    x = 195,951,136.94/14,499.41
  6. Step 6: Final answer
    x = 13,514.43

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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.