Home / 14,475.17-19,976.69-8,102.30

Finding the Fourth Proportional to 14,475.17, 19,976.69 and 8,102.30

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Solution

The fourth proportional to 14,475.17, 19,976.69 and 8,102.30 is: 11,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.17 : 19,976.69 = 8,102.30 : x
  2. Step 2: Convert to fraction form
    14,475.17/19,976.69 = 8,102.30/x
  3. Step 3: Cross multiply
    14,475.17x = 19,976.69 × 8,102.30
  4. Step 4: Simplify right side
    14,475.17x = 161,857,055.76
  5. Step 5: Solve for x
    x = 161,857,055.76/14,475.17
  6. Step 6: Final answer
    x = 11,181.70

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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.