Home / 18,333.43-25,300.13-9,949.93

Finding the Fourth Proportional to 18,333.43, 25,300.13 and 9,949.93

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Solution

The fourth proportional to 18,333.43, 25,300.13 and 9,949.93 is: 13,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.43 : 25,300.13 = 9,949.93 : x
  2. Step 2: Convert to fraction form
    18,333.43/25,300.13 = 9,949.93/x
  3. Step 3: Cross multiply
    18,333.43x = 25,300.13 × 9,949.93
  4. Step 4: Simplify right side
    18,333.43x = 251,734,522.49
  5. Step 5: Solve for x
    x = 251,734,522.49/18,333.43
  6. Step 6: Final answer
    x = 13,730.90

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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.