Home / 22,268.16-30,660.12-18,904

Finding the Fourth Proportional to 22,268.16, 30,660.12 and 18,904

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Solution

The fourth proportional to 22,268.16, 30,660.12 and 18,904 is: 26,028.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268.16 : 30,660.12 = 18,904 : x
  2. Step 2: Convert to fraction form
    22,268.16/30,660.12 = 18,904/x
  3. Step 3: Cross multiply
    22,268.16x = 30,660.12 × 18,904
  4. Step 4: Simplify right side
    22,268.16x = 579,598,908.48
  5. Step 5: Solve for x
    x = 579,598,908.48/22,268.16
  6. Step 6: Final answer
    x = 26,028.15

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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.