Home / 16,859.57-23,242.03-13,268.30

Finding the Fourth Proportional to 16,859.57, 23,242.03 and 13,268.30

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Solution

The fourth proportional to 16,859.57, 23,242.03 and 13,268.30 is: 18,291.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.57 : 23,242.03 = 13,268.30 : x
  2. Step 2: Convert to fraction form
    16,859.57/23,242.03 = 13,268.30/x
  3. Step 3: Cross multiply
    16,859.57x = 23,242.03 × 13,268.30
  4. Step 4: Simplify right side
    16,859.57x = 308,382,251.58
  5. Step 5: Solve for x
    x = 308,382,251.58/16,859.57
  6. Step 6: Final answer
    x = 18,291.23

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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.