Home / 20,894.54-31,338.71-6,099.48

Finding the Fourth Proportional to 20,894.54, 31,338.71 and 6,099.48

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Solution

The fourth proportional to 20,894.54, 31,338.71 and 6,099.48 is: 9,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894.54 : 31,338.71 = 6,099.48 : x
  2. Step 2: Convert to fraction form
    20,894.54/31,338.71 = 6,099.48/x
  3. Step 3: Cross multiply
    20,894.54x = 31,338.71 × 6,099.48
  4. Step 4: Simplify right side
    20,894.54x = 191,149,834.87
  5. Step 5: Solve for x
    x = 191,149,834.87/20,894.54
  6. Step 6: Final answer
    x = 9,148.32

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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.