Home / 14,231.05-19,639.32-8,262.36

Finding the Fourth Proportional to 14,231.05, 19,639.32 and 8,262.36

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Solution

The fourth proportional to 14,231.05, 19,639.32 and 8,262.36 is: 11,402.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.05 : 19,639.32 = 8,262.36 : x
  2. Step 2: Convert to fraction form
    14,231.05/19,639.32 = 8,262.36/x
  3. Step 3: Cross multiply
    14,231.05x = 19,639.32 × 8,262.36
  4. Step 4: Simplify right side
    14,231.05x = 162,267,132.00
  5. Step 5: Solve for x
    x = 162,267,132.00/14,231.05
  6. Step 6: Final answer
    x = 11,402.33

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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.