Home / 13,048.64-19,572.96-9,170.36

Finding the Fourth Proportional to 13,048.64, 19,572.96 and 9,170.36

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Solution

The fourth proportional to 13,048.64, 19,572.96 and 9,170.36 is: 13,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.64 : 19,572.96 = 9,170.36 : x
  2. Step 2: Convert to fraction form
    13,048.64/19,572.96 = 9,170.36/x
  3. Step 3: Cross multiply
    13,048.64x = 19,572.96 × 9,170.36
  4. Step 4: Simplify right side
    13,048.64x = 179,491,089.47
  5. Step 5: Solve for x
    x = 179,491,089.47/13,048.64
  6. Step 6: Final answer
    x = 13,755.54

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.