Home / 18,579.33-25,642.44-14,336.55

Finding the Fourth Proportional to 18,579.33, 25,642.44 and 14,336.55

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Solution

The fourth proportional to 18,579.33, 25,642.44 and 14,336.55 is: 19,786.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.33 : 25,642.44 = 14,336.55 : x
  2. Step 2: Convert to fraction form
    18,579.33/25,642.44 = 14,336.55/x
  3. Step 3: Cross multiply
    18,579.33x = 25,642.44 × 14,336.55
  4. Step 4: Simplify right side
    18,579.33x = 367,624,123.18
  5. Step 5: Solve for x
    x = 367,624,123.18/18,579.33
  6. Step 6: Final answer
    x = 19,786.73

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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.