Home / 20,032.26-27,643.42-11,079.24

Finding the Fourth Proportional to 20,032.26, 27,643.42 and 11,079.24

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Solution

The fourth proportional to 20,032.26, 27,643.42 and 11,079.24 is: 15,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.26 : 27,643.42 = 11,079.24 : x
  2. Step 2: Convert to fraction form
    20,032.26/27,643.42 = 11,079.24/x
  3. Step 3: Cross multiply
    20,032.26x = 27,643.42 × 11,079.24
  4. Step 4: Simplify right side
    20,032.26x = 306,268,084.60
  5. Step 5: Solve for x
    x = 306,268,084.60/20,032.26
  6. Step 6: Final answer
    x = 15,288.74

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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.