Home / 18,442.36-25,439.97-11,363.77

Finding the Fourth Proportional to 18,442.36, 25,439.97 and 11,363.77

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Solution

The fourth proportional to 18,442.36, 25,439.97 and 11,363.77 is: 15,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.36 : 25,439.97 = 11,363.77 : x
  2. Step 2: Convert to fraction form
    18,442.36/25,439.97 = 11,363.77/x
  3. Step 3: Cross multiply
    18,442.36x = 25,439.97 × 11,363.77
  4. Step 4: Simplify right side
    18,442.36x = 289,093,967.89
  5. Step 5: Solve for x
    x = 289,093,967.89/18,442.36
  6. Step 6: Final answer
    x = 15,675.54

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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.