Home / 27,129.26-37,435.01-15,190.67

Finding the Fourth Proportional to 27,129.26, 37,435.01 and 15,190.67

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Solution

The fourth proportional to 27,129.26, 37,435.01 and 15,190.67 is: 20,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.26 : 37,435.01 = 15,190.67 : x
  2. Step 2: Convert to fraction form
    27,129.26/37,435.01 = 15,190.67/x
  3. Step 3: Cross multiply
    27,129.26x = 37,435.01 × 15,190.67
  4. Step 4: Simplify right side
    27,129.26x = 568,662,883.36
  5. Step 5: Solve for x
    x = 568,662,883.36/27,129.26
  6. Step 6: Final answer
    x = 20,961.24

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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.