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Finding the Fourth Proportional to 19,241, 26,563.60 and 14,667.76

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Solution

The fourth proportional to 19,241, 26,563.60 and 14,667.76 is: 20,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241 : 26,563.60 = 14,667.76 : x
  2. Step 2: Convert to fraction form
    19,241/26,563.60 = 14,667.76/x
  3. Step 3: Cross multiply
    19,241x = 26,563.60 × 14,667.76
  4. Step 4: Simplify right side
    19,241x = 389,628,509.54
  5. Step 5: Solve for x
    x = 389,628,509.54/19,241
  6. Step 6: Final answer
    x = 20,249.91

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Double scale
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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.