Home / 27,125.61-37,434.72-15,188.23

Finding the Fourth Proportional to 27,125.61, 37,434.72 and 15,188.23

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Solution

The fourth proportional to 27,125.61, 37,434.72 and 15,188.23 is: 20,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.61 : 37,434.72 = 15,188.23 : x
  2. Step 2: Convert to fraction form
    27,125.61/37,434.72 = 15,188.23/x
  3. Step 3: Cross multiply
    27,125.61x = 37,434.72 × 15,188.23
  4. Step 4: Simplify right side
    27,125.61x = 568,567,137.35
  5. Step 5: Solve for x
    x = 568,567,137.35/27,125.61
  6. Step 6: Final answer
    x = 20,960.53

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Double scale
Find fourth proportional to 27,126.61, 37,436.10 and 15,189.23
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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.