Home / 14,841.55-20,481.34-8,127.18

Finding the Fourth Proportional to 14,841.55, 20,481.34 and 8,127.18

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Solution

The fourth proportional to 14,841.55, 20,481.34 and 8,127.18 is: 11,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,841.55 : 20,481.34 = 8,127.18 : x
  2. Step 2: Convert to fraction form
    14,841.55/20,481.34 = 8,127.18/x
  3. Step 3: Cross multiply
    14,841.55x = 20,481.34 × 8,127.18
  4. Step 4: Simplify right side
    14,841.55x = 166,455,536.82
  5. Step 5: Solve for x
    x = 166,455,536.82/14,841.55
  6. Step 6: Final answer
    x = 11,215.51

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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.