Home / 19,824.57-27,343.67-12,268.48

Finding the Fourth Proportional to 19,824.57, 27,343.67 and 12,268.48

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Solution

The fourth proportional to 19,824.57, 27,343.67 and 12,268.48 is: 16,921.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.57 : 27,343.67 = 12,268.48 : x
  2. Step 2: Convert to fraction form
    19,824.57/27,343.67 = 12,268.48/x
  3. Step 3: Cross multiply
    19,824.57x = 27,343.67 × 12,268.48
  4. Step 4: Simplify right side
    19,824.57x = 335,465,268.52
  5. Step 5: Solve for x
    x = 335,465,268.52/19,824.57
  6. Step 6: Final answer
    x = 16,921.69

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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.