Home / 18,394.39-25,383.49-10,436.46

Finding the Fourth Proportional to 18,394.39, 25,383.49 and 10,436.46

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Solution

The fourth proportional to 18,394.39, 25,383.49 and 10,436.46 is: 14,401.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.39 : 25,383.49 = 10,436.46 : x
  2. Step 2: Convert to fraction form
    18,394.39/25,383.49 = 10,436.46/x
  3. Step 3: Cross multiply
    18,394.39x = 25,383.49 × 10,436.46
  4. Step 4: Simplify right side
    18,394.39x = 264,913,778.05
  5. Step 5: Solve for x
    x = 264,913,778.05/18,394.39
  6. Step 6: Final answer
    x = 14,401.88

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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.