Home / 18,257.18-25,194.90-9,873.68

Finding the Fourth Proportional to 18,257.18, 25,194.90 and 9,873.68

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Solution

The fourth proportional to 18,257.18, 25,194.90 and 9,873.68 is: 13,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.18 : 25,194.90 = 9,873.68 : x
  2. Step 2: Convert to fraction form
    18,257.18/25,194.90 = 9,873.68/x
  3. Step 3: Cross multiply
    18,257.18x = 25,194.90 × 9,873.68
  4. Step 4: Simplify right side
    18,257.18x = 248,766,380.23
  5. Step 5: Solve for x
    x = 248,766,380.23/18,257.18
  6. Step 6: Final answer
    x = 13,625.67

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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.