Home / 18,583.95-25,645.64-10,086.09

Finding the Fourth Proportional to 18,583.95, 25,645.64 and 10,086.09

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Solution

The fourth proportional to 18,583.95, 25,645.64 and 10,086.09 is: 13,918.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.95 : 25,645.64 = 10,086.09 : x
  2. Step 2: Convert to fraction form
    18,583.95/25,645.64 = 10,086.09/x
  3. Step 3: Cross multiply
    18,583.95x = 25,645.64 × 10,086.09
  4. Step 4: Simplify right side
    18,583.95x = 258,664,220.54
  5. Step 5: Solve for x
    x = 258,664,220.54/18,583.95
  6. Step 6: Final answer
    x = 13,918.69

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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.