Home / 27,125.72-37,434.78-15,186.68

Finding the Fourth Proportional to 27,125.72, 37,434.78 and 15,186.68

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Solution

The fourth proportional to 27,125.72, 37,434.78 and 15,186.68 is: 20,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.72 : 37,434.78 = 15,186.68 : x
  2. Step 2: Convert to fraction form
    27,125.72/37,434.78 = 15,186.68/x
  3. Step 3: Cross multiply
    27,125.72x = 37,434.78 × 15,186.68
  4. Step 4: Simplify right side
    27,125.72x = 568,510,024.73
  5. Step 5: Solve for x
    x = 568,510,024.73/27,125.72
  6. Step 6: Final answer
    x = 20,958.34

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Half scale
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Double scale
Find fourth proportional to 27,126.72, 37,436.16 and 15,187.68
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.