Home / 14,600.05-21,906.45-7,200.70

Finding the Fourth Proportional to 14,600.05, 21,906.45 and 7,200.70

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Solution

The fourth proportional to 14,600.05, 21,906.45 and 7,200.70 is: 10,804.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,600.05 : 21,906.45 = 7,200.70 : x
  2. Step 2: Convert to fraction form
    14,600.05/21,906.45 = 7,200.70/x
  3. Step 3: Cross multiply
    14,600.05x = 21,906.45 × 7,200.70
  4. Step 4: Simplify right side
    14,600.05x = 157,741,719.75
  5. Step 5: Solve for x
    x = 157,741,719.75/14,600.05
  6. Step 6: Final answer
    x = 10,804.19

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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.