Home / 20,556.26-28,368.16-11,604.59

Finding the Fourth Proportional to 20,556.26, 28,368.16 and 11,604.59

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Solution

The fourth proportional to 20,556.26, 28,368.16 and 11,604.59 is: 16,014.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,556.26 : 28,368.16 = 11,604.59 : x
  2. Step 2: Convert to fraction form
    20,556.26/28,368.16 = 11,604.59/x
  3. Step 3: Cross multiply
    20,556.26x = 28,368.16 × 11,604.59
  4. Step 4: Simplify right side
    20,556.26x = 329,200,695.00
  5. Step 5: Solve for x
    x = 329,200,695.00/20,556.26
  6. Step 6: Final answer
    x = 16,014.62

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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.