Home / 14,651.96-21,979.54-4,265.40

Finding the Fourth Proportional to 14,651.96, 21,979.54 and 4,265.40

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Solution

The fourth proportional to 14,651.96, 21,979.54 and 4,265.40 is: 6,398.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.96 : 21,979.54 = 4,265.40 : x
  2. Step 2: Convert to fraction form
    14,651.96/21,979.54 = 4,265.40/x
  3. Step 3: Cross multiply
    14,651.96x = 21,979.54 × 4,265.40
  4. Step 4: Simplify right side
    14,651.96x = 93,751,529.92
  5. Step 5: Solve for x
    x = 93,751,529.92/14,651.96
  6. Step 6: Final answer
    x = 6,398.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.