Home / 18,529.56-25,571.12-13,233.40

Finding the Fourth Proportional to 18,529.56, 25,571.12 and 13,233.40

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Solution

The fourth proportional to 18,529.56, 25,571.12 and 13,233.40 is: 18,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.56 : 25,571.12 = 13,233.40 : x
  2. Step 2: Convert to fraction form
    18,529.56/25,571.12 = 13,233.40/x
  3. Step 3: Cross multiply
    18,529.56x = 25,571.12 × 13,233.40
  4. Step 4: Simplify right side
    18,529.56x = 338,392,859.41
  5. Step 5: Solve for x
    x = 338,392,859.41/18,529.56
  6. Step 6: Final answer
    x = 18,262.33

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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.