Home / 20,735.18-31,093.40-5,940.71

Finding the Fourth Proportional to 20,735.18, 31,093.40 and 5,940.71

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Solution

The fourth proportional to 20,735.18, 31,093.40 and 5,940.71 is: 8,908.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735.18 : 31,093.40 = 5,940.71 : x
  2. Step 2: Convert to fraction form
    20,735.18/31,093.40 = 5,940.71/x
  3. Step 3: Cross multiply
    20,735.18x = 31,093.40 × 5,940.71
  4. Step 4: Simplify right side
    20,735.18x = 184,716,731.70
  5. Step 5: Solve for x
    x = 184,716,731.70/20,735.18
  6. Step 6: Final answer
    x = 8,908.38

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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.