Home / 20,032.98-27,645.39-11,080.32

Finding the Fourth Proportional to 20,032.98, 27,645.39 and 11,080.32

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Solution

The fourth proportional to 20,032.98, 27,645.39 and 11,080.32 is: 15,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.98 : 27,645.39 = 11,080.32 : x
  2. Step 2: Convert to fraction form
    20,032.98/27,645.39 = 11,080.32/x
  3. Step 3: Cross multiply
    20,032.98x = 27,645.39 × 11,080.32
  4. Step 4: Simplify right side
    20,032.98x = 306,319,767.72
  5. Step 5: Solve for x
    x = 306,319,767.72/20,032.98
  6. Step 6: Final answer
    x = 15,290.77

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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.