Home / 14,481.05-19,985.71-8,110.06

Finding the Fourth Proportional to 14,481.05, 19,985.71 and 8,110.06

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Solution

The fourth proportional to 14,481.05, 19,985.71 and 8,110.06 is: 11,192.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481.05 : 19,985.71 = 8,110.06 : x
  2. Step 2: Convert to fraction form
    14,481.05/19,985.71 = 8,110.06/x
  3. Step 3: Cross multiply
    14,481.05x = 19,985.71 × 8,110.06
  4. Step 4: Simplify right side
    14,481.05x = 162,085,317.38
  5. Step 5: Solve for x
    x = 162,085,317.38/14,481.05
  6. Step 6: Final answer
    x = 11,192.93

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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.