Home / 18,370.61-25,351.73-10,412.66

Finding the Fourth Proportional to 18,370.61, 25,351.73 and 10,412.66

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Solution

The fourth proportional to 18,370.61, 25,351.73 and 10,412.66 is: 14,369.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.61 : 25,351.73 = 10,412.66 : x
  2. Step 2: Convert to fraction form
    18,370.61/25,351.73 = 10,412.66/x
  3. Step 3: Cross multiply
    18,370.61x = 25,351.73 × 10,412.66
  4. Step 4: Simplify right side
    18,370.61x = 263,978,766.08
  5. Step 5: Solve for x
    x = 263,978,766.08/18,370.61
  6. Step 6: Final answer
    x = 14,369.63

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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.