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Finding the Fourth Proportional to 13,195.77, 19,835.42 and 7,363.77

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Solution

The fourth proportional to 13,195.77, 19,835.42 and 7,363.77 is: 11,068.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.77 : 19,835.42 = 7,363.77 : x
  2. Step 2: Convert to fraction form
    13,195.77/19,835.42 = 7,363.77/x
  3. Step 3: Cross multiply
    13,195.77x = 19,835.42 × 7,363.77
  4. Step 4: Simplify right side
    13,195.77x = 146,063,433.91
  5. Step 5: Solve for x
    x = 146,063,433.91/13,195.77
  6. Step 6: Final answer
    x = 11,068.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.