Home / 18,515.24-25,562.95-16,522.37

Finding the Fourth Proportional to 18,515.24, 25,562.95 and 16,522.37

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Solution

The fourth proportional to 18,515.24, 25,562.95 and 16,522.37 is: 22,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.24 : 25,562.95 = 16,522.37 : x
  2. Step 2: Convert to fraction form
    18,515.24/25,562.95 = 16,522.37/x
  3. Step 3: Cross multiply
    18,515.24x = 25,562.95 × 16,522.37
  4. Step 4: Simplify right side
    18,515.24x = 422,360,349.07
  5. Step 5: Solve for x
    x = 422,360,349.07/18,515.24
  6. Step 6: Final answer
    x = 22,811.50

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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.