Home / 18,733.05-28,103.70-7,046.28

Finding the Fourth Proportional to 18,733.05, 28,103.70 and 7,046.28

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Solution

The fourth proportional to 18,733.05, 28,103.70 and 7,046.28 is: 10,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.05 : 28,103.70 = 7,046.28 : x
  2. Step 2: Convert to fraction form
    18,733.05/28,103.70 = 7,046.28/x
  3. Step 3: Cross multiply
    18,733.05x = 28,103.70 × 7,046.28
  4. Step 4: Simplify right side
    18,733.05x = 198,026,539.24
  5. Step 5: Solve for x
    x = 198,026,539.24/18,733.05
  6. Step 6: Final answer
    x = 10,570.97

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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.