Home / 18,333.16-25,299.76-9,949.66

Finding the Fourth Proportional to 18,333.16, 25,299.76 and 9,949.66

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Solution

The fourth proportional to 18,333.16, 25,299.76 and 9,949.66 is: 13,730.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.16 : 25,299.76 = 9,949.66 : x
  2. Step 2: Convert to fraction form
    18,333.16/25,299.76 = 9,949.66/x
  3. Step 3: Cross multiply
    18,333.16x = 25,299.76 × 9,949.66
  4. Step 4: Simplify right side
    18,333.16x = 251,723,871.68
  5. Step 5: Solve for x
    x = 251,723,871.68/18,333.16
  6. Step 6: Final answer
    x = 13,730.53

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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.