Home / 23,993.76-33,126.84-15,499.68

Finding the Fourth Proportional to 23,993.76, 33,126.84 and 15,499.68

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Solution

The fourth proportional to 23,993.76, 33,126.84 and 15,499.68 is: 21,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,993.76 : 33,126.84 = 15,499.68 : x
  2. Step 2: Convert to fraction form
    23,993.76/33,126.84 = 15,499.68/x
  3. Step 3: Cross multiply
    23,993.76x = 33,126.84 × 15,499.68
  4. Step 4: Simplify right side
    23,993.76x = 513,455,419.41
  5. Step 5: Solve for x
    x = 513,455,419.41/23,993.76
  6. Step 6: Final answer
    x = 21,399.54

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