Home / 25,096.47-34,613.78-18,379.68

Finding the Fourth Proportional to 25,096.47, 34,613.78 and 18,379.68

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Solution

The fourth proportional to 25,096.47, 34,613.78 and 18,379.68 is: 25,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,096.47 : 34,613.78 = 18,379.68 : x
  2. Step 2: Convert to fraction form
    25,096.47/34,613.78 = 18,379.68/x
  3. Step 3: Cross multiply
    25,096.47x = 34,613.78 × 18,379.68
  4. Step 4: Simplify right side
    25,096.47x = 636,190,108.09
  5. Step 5: Solve for x
    x = 636,190,108.09/25,096.47
  6. Step 6: Final answer
    x = 25,349.78

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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.