Home / 19,937.70-29,910.60-6,790.59

Finding the Fourth Proportional to 19,937.70, 29,910.60 and 6,790.59

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Solution

The fourth proportional to 19,937.70, 29,910.60 and 6,790.59 is: 10,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.70 : 29,910.60 = 6,790.59 : x
  2. Step 2: Convert to fraction form
    19,937.70/29,910.60 = 6,790.59/x
  3. Step 3: Cross multiply
    19,937.70x = 29,910.60 × 6,790.59
  4. Step 4: Simplify right side
    19,937.70x = 203,110,621.25
  5. Step 5: Solve for x
    x = 203,110,621.25/19,937.70
  6. Step 6: Final answer
    x = 10,187.26

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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.