Home / 13,114.91-19,672.82-4,230.23

Finding the Fourth Proportional to 13,114.91, 19,672.82 and 4,230.23

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Solution

The fourth proportional to 13,114.91, 19,672.82 and 4,230.23 is: 6,345.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.91 : 19,672.82 = 4,230.23 : x
  2. Step 2: Convert to fraction form
    13,114.91/19,672.82 = 4,230.23/x
  3. Step 3: Cross multiply
    13,114.91x = 19,672.82 × 4,230.23
  4. Step 4: Simplify right side
    13,114.91x = 83,220,473.49
  5. Step 5: Solve for x
    x = 83,220,473.49/13,114.91
  6. Step 6: Final answer
    x = 6,345.48

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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.