Home / 20,259.16-27,895.26-17,268.28

Finding the Fourth Proportional to 20,259.16, 27,895.26 and 17,268.28

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Solution

The fourth proportional to 20,259.16, 27,895.26 and 17,268.28 is: 23,777.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259.16 : 27,895.26 = 17,268.28 : x
  2. Step 2: Convert to fraction form
    20,259.16/27,895.26 = 17,268.28/x
  3. Step 3: Cross multiply
    20,259.16x = 27,895.26 × 17,268.28
  4. Step 4: Simplify right side
    20,259.16x = 481,703,160.35
  5. Step 5: Solve for x
    x = 481,703,160.35/20,259.16
  6. Step 6: Final answer
    x = 23,777.05

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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.