Home / 17,128.06-25,693.80-4,648.30

Finding the Fourth Proportional to 17,128.06, 25,693.80 and 4,648.30

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Solution

The fourth proportional to 17,128.06, 25,693.80 and 4,648.30 is: 6,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128.06 : 25,693.80 = 4,648.30 : x
  2. Step 2: Convert to fraction form
    17,128.06/25,693.80 = 4,648.30/x
  3. Step 3: Cross multiply
    17,128.06x = 25,693.80 × 4,648.30
  4. Step 4: Simplify right side
    17,128.06x = 119,432,490.54
  5. Step 5: Solve for x
    x = 119,432,490.54/17,128.06
  6. Step 6: Final answer
    x = 6,972.91

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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.