Home / 14,132.70-19,500.62-8,162.19

Finding the Fourth Proportional to 14,132.70, 19,500.62 and 8,162.19

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Solution

The fourth proportional to 14,132.70, 19,500.62 and 8,162.19 is: 11,262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.70 : 19,500.62 = 8,162.19 : x
  2. Step 2: Convert to fraction form
    14,132.70/19,500.62 = 8,162.19/x
  3. Step 3: Cross multiply
    14,132.70x = 19,500.62 × 8,162.19
  4. Step 4: Simplify right side
    14,132.70x = 159,167,724.75
  5. Step 5: Solve for x
    x = 159,167,724.75/14,132.70
  6. Step 6: Final answer
    x = 11,262.37

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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.