Home / 20,734.20-31,106.07-5,943.24

Finding the Fourth Proportional to 20,734.20, 31,106.07 and 5,943.24

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Solution

The fourth proportional to 20,734.20, 31,106.07 and 5,943.24 is: 8,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734.20 : 31,106.07 = 5,943.24 : x
  2. Step 2: Convert to fraction form
    20,734.20/31,106.07 = 5,943.24/x
  3. Step 3: Cross multiply
    20,734.20x = 31,106.07 × 5,943.24
  4. Step 4: Simplify right side
    20,734.20x = 184,870,839.47
  5. Step 5: Solve for x
    x = 184,870,839.47/20,734.20
  6. Step 6: Final answer
    x = 8,916.23

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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.