Home / 18,635.86-25,717.94-10,680.58

Finding the Fourth Proportional to 18,635.86, 25,717.94 and 10,680.58

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Solution

The fourth proportional to 18,635.86, 25,717.94 and 10,680.58 is: 14,739.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.86 : 25,717.94 = 10,680.58 : x
  2. Step 2: Convert to fraction form
    18,635.86/25,717.94 = 10,680.58/x
  3. Step 3: Cross multiply
    18,635.86x = 25,717.94 × 10,680.58
  4. Step 4: Simplify right side
    18,635.86x = 274,682,515.61
  5. Step 5: Solve for x
    x = 274,682,515.61/18,635.86
  6. Step 6: Final answer
    x = 14,739.46

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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.