Home / 19,245.88-26,559.39-11,288.26

Finding the Fourth Proportional to 19,245.88, 26,559.39 and 11,288.26

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Solution

The fourth proportional to 19,245.88, 26,559.39 and 11,288.26 is: 15,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.88 : 26,559.39 = 11,288.26 : x
  2. Step 2: Convert to fraction form
    19,245.88/26,559.39 = 11,288.26/x
  3. Step 3: Cross multiply
    19,245.88x = 26,559.39 × 11,288.26
  4. Step 4: Simplify right side
    19,245.88x = 299,809,299.76
  5. Step 5: Solve for x
    x = 299,809,299.76/19,245.88
  6. Step 6: Final answer
    x = 15,577.84

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Half scale
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Double scale
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Similar ratio
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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.