Home / 13,950.63-19,249.25-8,646.75

Finding the Fourth Proportional to 13,950.63, 19,249.25 and 8,646.75

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Solution

The fourth proportional to 13,950.63, 19,249.25 and 8,646.75 is: 11,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.63 : 19,249.25 = 8,646.75 : x
  2. Step 2: Convert to fraction form
    13,950.63/19,249.25 = 8,646.75/x
  3. Step 3: Cross multiply
    13,950.63x = 19,249.25 × 8,646.75
  4. Step 4: Simplify right side
    13,950.63x = 166,443,409.20
  5. Step 5: Solve for x
    x = 166,443,409.20/13,950.63
  6. Step 6: Final answer
    x = 11,930.89

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Half scale
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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.