Home / 13,959.57-20,939.32-6,061.06

Finding the Fourth Proportional to 13,959.57, 20,939.32 and 6,061.06

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Solution

The fourth proportional to 13,959.57, 20,939.32 and 6,061.06 is: 9,091.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.57 : 20,939.32 = 6,061.06 : x
  2. Step 2: Convert to fraction form
    13,959.57/20,939.32 = 6,061.06/x
  3. Step 3: Cross multiply
    13,959.57x = 20,939.32 × 6,061.06
  4. Step 4: Simplify right side
    13,959.57x = 126,914,513.80
  5. Step 5: Solve for x
    x = 126,914,513.80/13,959.57
  6. Step 6: Final answer
    x = 9,091.58

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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.