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Finding the Fourth Proportional to 14,156, 19,536 and 8,567.36

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Solution

The fourth proportional to 14,156, 19,536 and 8,567.36 is: 11,823.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156 : 19,536 = 8,567.36 : x
  2. Step 2: Convert to fraction form
    14,156/19,536 = 8,567.36/x
  3. Step 3: Cross multiply
    14,156x = 19,536 × 8,567.36
  4. Step 4: Simplify right side
    14,156x = 167,371,944.96
  5. Step 5: Solve for x
    x = 167,371,944.96/14,156
  6. Step 6: Final answer
    x = 11,823.39

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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.