Home / 13,181.13-19,772.10-4,861.62

Finding the Fourth Proportional to 13,181.13, 19,772.10 and 4,861.62

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Solution

The fourth proportional to 13,181.13, 19,772.10 and 4,861.62 is: 7,292.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.13 : 19,772.10 = 4,861.62 : x
  2. Step 2: Convert to fraction form
    13,181.13/19,772.10 = 4,861.62/x
  3. Step 3: Cross multiply
    13,181.13x = 19,772.10 × 4,861.62
  4. Step 4: Simplify right side
    13,181.13x = 96,124,436.80
  5. Step 5: Solve for x
    x = 96,124,436.80/13,181.13
  6. Step 6: Final answer
    x = 7,292.58

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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.