Home / 18,310.36-25,267.62-9,926.68

Finding the Fourth Proportional to 18,310.36, 25,267.62 and 9,926.68

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Solution

The fourth proportional to 18,310.36, 25,267.62 and 9,926.68 is: 13,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.36 : 25,267.62 = 9,926.68 : x
  2. Step 2: Convert to fraction form
    18,310.36/25,267.62 = 9,926.68/x
  3. Step 3: Cross multiply
    18,310.36x = 25,267.62 × 9,926.68
  4. Step 4: Simplify right side
    18,310.36x = 250,823,578.10
  5. Step 5: Solve for x
    x = 250,823,578.10/18,310.36
  6. Step 6: Final answer
    x = 13,698.45

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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.