Home / 18,439.94-25,450.65-17,314.58

Finding the Fourth Proportional to 18,439.94, 25,450.65 and 17,314.58

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Solution

The fourth proportional to 18,439.94, 25,450.65 and 17,314.58 is: 23,897.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.94 : 25,450.65 = 17,314.58 : x
  2. Step 2: Convert to fraction form
    18,439.94/25,450.65 = 17,314.58/x
  3. Step 3: Cross multiply
    18,439.94x = 25,450.65 × 17,314.58
  4. Step 4: Simplify right side
    18,439.94x = 440,667,315.48
  5. Step 5: Solve for x
    x = 440,667,315.48/18,439.94
  6. Step 6: Final answer
    x = 23,897.44

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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.