Home / 18,333.58-25,287.28-16,826

Finding the Fourth Proportional to 18,333.58, 25,287.28 and 16,826

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Solution

The fourth proportional to 18,333.58, 25,287.28 and 16,826 is: 23,207.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.58 : 25,287.28 = 16,826 : x
  2. Step 2: Convert to fraction form
    18,333.58/25,287.28 = 16,826/x
  3. Step 3: Cross multiply
    18,333.58x = 25,287.28 × 16,826
  4. Step 4: Simplify right side
    18,333.58x = 425,483,773.28
  5. Step 5: Solve for x
    x = 425,483,773.28/18,333.58
  6. Step 6: Final answer
    x = 23,207.89

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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.