Home / 18,841.48-28,270.86-9,613.96

Finding the Fourth Proportional to 18,841.48, 28,270.86 and 9,613.96

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Solution

The fourth proportional to 18,841.48, 28,270.86 and 9,613.96 is: 14,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841.48 : 28,270.86 = 9,613.96 : x
  2. Step 2: Convert to fraction form
    18,841.48/28,270.86 = 9,613.96/x
  3. Step 3: Cross multiply
    18,841.48x = 28,270.86 × 9,613.96
  4. Step 4: Simplify right side
    18,841.48x = 271,794,917.21
  5. Step 5: Solve for x
    x = 271,794,917.21/18,841.48
  6. Step 6: Final answer
    x = 14,425.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.