Home / 27,683.73-38,203.53-15,108.48

Finding the Fourth Proportional to 27,683.73, 38,203.53 and 15,108.48

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Solution

The fourth proportional to 27,683.73, 38,203.53 and 15,108.48 is: 20,849.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,683.73 : 38,203.53 = 15,108.48 : x
  2. Step 2: Convert to fraction form
    27,683.73/38,203.53 = 15,108.48/x
  3. Step 3: Cross multiply
    27,683.73x = 38,203.53 × 15,108.48
  4. Step 4: Simplify right side
    27,683.73x = 577,197,268.93
  5. Step 5: Solve for x
    x = 577,197,268.93/27,683.73
  6. Step 6: Final answer
    x = 20,849.69

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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.