Home / 13,496.95-20,245.42-7,248.36

Finding the Fourth Proportional to 13,496.95, 20,245.42 and 7,248.36

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Solution

The fourth proportional to 13,496.95, 20,245.42 and 7,248.36 is: 10,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.95 : 20,245.42 = 7,248.36 : x
  2. Step 2: Convert to fraction form
    13,496.95/20,245.42 = 7,248.36/x
  3. Step 3: Cross multiply
    13,496.95x = 20,245.42 × 7,248.36
  4. Step 4: Simplify right side
    13,496.95x = 146,746,074.39
  5. Step 5: Solve for x
    x = 146,746,074.39/13,496.95
  6. Step 6: Final answer
    x = 10,872.54

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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.