Home / 18,333.47-25,300.20-9,949.97

Finding the Fourth Proportional to 18,333.47, 25,300.20 and 9,949.97

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Solution

The fourth proportional to 18,333.47, 25,300.20 and 9,949.97 is: 13,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.47 : 25,300.20 = 9,949.97 : x
  2. Step 2: Convert to fraction form
    18,333.47/25,300.20 = 9,949.97/x
  3. Step 3: Cross multiply
    18,333.47x = 25,300.20 × 9,949.97
  4. Step 4: Simplify right side
    18,333.47x = 251,736,317.56
  5. Step 5: Solve for x
    x = 251,736,317.56/18,333.47
  6. Step 6: Final answer
    x = 13,730.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.