Home / 17,975.10-26,963.45-6,128.70

Finding the Fourth Proportional to 17,975.10, 26,963.45 and 6,128.70

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Solution

The fourth proportional to 17,975.10, 26,963.45 and 6,128.70 is: 9,193.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,975.10 : 26,963.45 = 6,128.70 : x
  2. Step 2: Convert to fraction form
    17,975.10/26,963.45 = 6,128.70/x
  3. Step 3: Cross multiply
    17,975.10x = 26,963.45 × 6,128.70
  4. Step 4: Simplify right side
    17,975.10x = 165,250,896.02
  5. Step 5: Solve for x
    x = 165,250,896.02/17,975.10
  6. Step 6: Final answer
    x = 9,193.32

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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.