Home / 18,342.60-25,306.26-10,383.12

Finding the Fourth Proportional to 18,342.60, 25,306.26 and 10,383.12

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Solution

The fourth proportional to 18,342.60, 25,306.26 and 10,383.12 is: 14,325.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.60 : 25,306.26 = 10,383.12 : x
  2. Step 2: Convert to fraction form
    18,342.60/25,306.26 = 10,383.12/x
  3. Step 3: Cross multiply
    18,342.60x = 25,306.26 × 10,383.12
  4. Step 4: Simplify right side
    18,342.60x = 262,757,934.33
  5. Step 5: Solve for x
    x = 262,757,934.33/18,342.60
  6. Step 6: Final answer
    x = 14,325.01

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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.