Home / 17,628.10-26,443.35-5,619.30

Finding the Fourth Proportional to 17,628.10, 26,443.35 and 5,619.30

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Solution

The fourth proportional to 17,628.10, 26,443.35 and 5,619.30 is: 8,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.10 : 26,443.35 = 5,619.30 : x
  2. Step 2: Convert to fraction form
    17,628.10/26,443.35 = 5,619.30/x
  3. Step 3: Cross multiply
    17,628.10x = 26,443.35 × 5,619.30
  4. Step 4: Simplify right side
    17,628.10x = 148,593,116.66
  5. Step 5: Solve for x
    x = 148,593,116.66/17,628.10
  6. Step 6: Final answer
    x = 8,429.33

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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.