Home / 18,998.28-26,233.74-14,274.36

Finding the Fourth Proportional to 18,998.28, 26,233.74 and 14,274.36

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Solution

The fourth proportional to 18,998.28, 26,233.74 and 14,274.36 is: 19,710.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,998.28 : 26,233.74 = 14,274.36 : x
  2. Step 2: Convert to fraction form
    18,998.28/26,233.74 = 14,274.36/x
  3. Step 3: Cross multiply
    18,998.28x = 26,233.74 × 14,274.36
  4. Step 4: Simplify right side
    18,998.28x = 374,469,848.91
  5. Step 5: Solve for x
    x = 374,469,848.91/18,998.28
  6. Step 6: Final answer
    x = 19,710.72

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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.