Home / 18,436.82-25,442.05-10,370.28

Finding the Fourth Proportional to 18,436.82, 25,442.05 and 10,370.28

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Solution

The fourth proportional to 18,436.82, 25,442.05 and 10,370.28 is: 14,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.82 : 25,442.05 = 10,370.28 : x
  2. Step 2: Convert to fraction form
    18,436.82/25,442.05 = 10,370.28/x
  3. Step 3: Cross multiply
    18,436.82x = 25,442.05 × 10,370.28
  4. Step 4: Simplify right side
    18,436.82x = 263,841,128.09
  5. Step 5: Solve for x
    x = 263,841,128.09/18,436.82
  6. Step 6: Final answer
    x = 14,310.56

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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.