Home / 19,396.18-26,765.98-11,855.13

Finding the Fourth Proportional to 19,396.18, 26,765.98 and 11,855.13

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Solution

The fourth proportional to 19,396.18, 26,765.98 and 11,855.13 is: 16,359.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.18 : 26,765.98 = 11,855.13 : x
  2. Step 2: Convert to fraction form
    19,396.18/26,765.98 = 11,855.13/x
  3. Step 3: Cross multiply
    19,396.18x = 26,765.98 × 11,855.13
  4. Step 4: Simplify right side
    19,396.18x = 317,314,243.30
  5. Step 5: Solve for x
    x = 317,314,243.30/19,396.18
  6. Step 6: Final answer
    x = 16,359.62

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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.