Home / 19,069.62-26,317.44-11,517.78

Finding the Fourth Proportional to 19,069.62, 26,317.44 and 11,517.78

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Solution

The fourth proportional to 19,069.62, 26,317.44 and 11,517.78 is: 15,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.62 : 26,317.44 = 11,517.78 : x
  2. Step 2: Convert to fraction form
    19,069.62/26,317.44 = 11,517.78/x
  3. Step 3: Cross multiply
    19,069.62x = 26,317.44 × 11,517.78
  4. Step 4: Simplify right side
    19,069.62x = 303,118,484.08
  5. Step 5: Solve for x
    x = 303,118,484.08/19,069.62
  6. Step 6: Final answer
    x = 15,895.36

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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.