Home / 20,033.32-27,646.47-11,081

Finding the Fourth Proportional to 20,033.32, 27,646.47 and 11,081

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Solution

The fourth proportional to 20,033.32, 27,646.47 and 11,081 is: 15,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.32 : 27,646.47 = 11,081 : x
  2. Step 2: Convert to fraction form
    20,033.32/27,646.47 = 11,081/x
  3. Step 3: Cross multiply
    20,033.32x = 27,646.47 × 11,081
  4. Step 4: Simplify right side
    20,033.32x = 306,350,534.07
  5. Step 5: Solve for x
    x = 306,350,534.07/20,033.32
  6. Step 6: Final answer
    x = 15,292.05

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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.