Home / 20,255.26-27,952.21-11,302.67

Finding the Fourth Proportional to 20,255.26, 27,952.21 and 11,302.67

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Solution

The fourth proportional to 20,255.26, 27,952.21 and 11,302.67 is: 15,597.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255.26 : 27,952.21 = 11,302.67 : x
  2. Step 2: Convert to fraction form
    20,255.26/27,952.21 = 11,302.67/x
  3. Step 3: Cross multiply
    20,255.26x = 27,952.21 × 11,302.67
  4. Step 4: Simplify right side
    20,255.26x = 315,934,605.40
  5. Step 5: Solve for x
    x = 315,934,605.40/20,255.26
  6. Step 6: Final answer
    x = 15,597.66

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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.