Home / 14,110.08-19,472.82-8,142

Finding the Fourth Proportional to 14,110.08, 19,472.82 and 8,142

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Solution

The fourth proportional to 14,110.08, 19,472.82 and 8,142 is: 11,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.08 : 19,472.82 = 8,142 : x
  2. Step 2: Convert to fraction form
    14,110.08/19,472.82 = 8,142/x
  3. Step 3: Cross multiply
    14,110.08x = 19,472.82 × 8,142
  4. Step 4: Simplify right side
    14,110.08x = 158,547,700.44
  5. Step 5: Solve for x
    x = 158,547,700.44/14,110.08
  6. Step 6: Final answer
    x = 11,236.48

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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.