Home / 19,108.31-28,661.04-5,960.25

Finding the Fourth Proportional to 19,108.31, 28,661.04 and 5,960.25

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Solution

The fourth proportional to 19,108.31, 28,661.04 and 5,960.25 is: 8,939.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.31 : 28,661.04 = 5,960.25 : x
  2. Step 2: Convert to fraction form
    19,108.31/28,661.04 = 5,960.25/x
  3. Step 3: Cross multiply
    19,108.31x = 28,661.04 × 5,960.25
  4. Step 4: Simplify right side
    19,108.31x = 170,826,963.66
  5. Step 5: Solve for x
    x = 170,826,963.66/19,108.31
  6. Step 6: Final answer
    x = 8,939.93

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1.5x scale

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.