Home / 18,572.21-25,634.53-11,504.55

Finding the Fourth Proportional to 18,572.21, 25,634.53 and 11,504.55

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Solution

The fourth proportional to 18,572.21, 25,634.53 and 11,504.55 is: 15,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.21 : 25,634.53 = 11,504.55 : x
  2. Step 2: Convert to fraction form
    18,572.21/25,634.53 = 11,504.55/x
  3. Step 3: Cross multiply
    18,572.21x = 25,634.53 × 11,504.55
  4. Step 4: Simplify right side
    18,572.21x = 294,913,674.59
  5. Step 5: Solve for x
    x = 294,913,674.59/18,572.21
  6. Step 6: Final answer
    x = 15,879.30

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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.