Home / 17,619.72-26,429.68-4,472.12

Finding the Fourth Proportional to 17,619.72, 26,429.68 and 4,472.12

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Solution

The fourth proportional to 17,619.72, 26,429.68 and 4,472.12 is: 6,708.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.72 : 26,429.68 = 4,472.12 : x
  2. Step 2: Convert to fraction form
    17,619.72/26,429.68 = 4,472.12/x
  3. Step 3: Cross multiply
    17,619.72x = 26,429.68 × 4,472.12
  4. Step 4: Simplify right side
    17,619.72x = 118,196,700.52
  5. Step 5: Solve for x
    x = 118,196,700.52/17,619.72
  6. Step 6: Final answer
    x = 6,708.21

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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.