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Finding the Fourth Proportional to 14,993.81, 22,505.29 and 7,208.09

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Solution

The fourth proportional to 14,993.81, 22,505.29 and 7,208.09 is: 10,819.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,993.81 : 22,505.29 = 7,208.09 : x
  2. Step 2: Convert to fraction form
    14,993.81/22,505.29 = 7,208.09/x
  3. Step 3: Cross multiply
    14,993.81x = 22,505.29 × 7,208.09
  4. Step 4: Simplify right side
    14,993.81x = 162,220,007.23
  5. Step 5: Solve for x
    x = 162,220,007.23/14,993.81
  6. Step 6: Final answer
    x = 10,819.14

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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.