Home / 18,556.46-25,609.18-10,487.38

Finding the Fourth Proportional to 18,556.46, 25,609.18 and 10,487.38

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Solution

The fourth proportional to 18,556.46, 25,609.18 and 10,487.38 is: 14,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.46 : 25,609.18 = 10,487.38 : x
  2. Step 2: Convert to fraction form
    18,556.46/25,609.18 = 10,487.38/x
  3. Step 3: Cross multiply
    18,556.46x = 25,609.18 × 10,487.38
  4. Step 4: Simplify right side
    18,556.46x = 268,573,202.15
  5. Step 5: Solve for x
    x = 268,573,202.15/18,556.46
  6. Step 6: Final answer
    x = 14,473.30

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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.