Home / 27,773.37-38,325.78-15,195.69

Finding the Fourth Proportional to 27,773.37, 38,325.78 and 15,195.69

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Solution

The fourth proportional to 27,773.37, 38,325.78 and 15,195.69 is: 20,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,773.37 : 38,325.78 = 15,195.69 : x
  2. Step 2: Convert to fraction form
    27,773.37/38,325.78 = 15,195.69/x
  3. Step 3: Cross multiply
    27,773.37x = 38,325.78 × 15,195.69
  4. Step 4: Simplify right side
    27,773.37x = 582,386,671.89
  5. Step 5: Solve for x
    x = 582,386,671.89/27,773.37
  6. Step 6: Final answer
    x = 20,969.25

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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.