Home / 18,512.42-25,541.27-11,334.83

Finding the Fourth Proportional to 18,512.42, 25,541.27 and 11,334.83

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Solution

The fourth proportional to 18,512.42, 25,541.27 and 11,334.83 is: 15,638.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.42 : 25,541.27 = 11,334.83 : x
  2. Step 2: Convert to fraction form
    18,512.42/25,541.27 = 11,334.83/x
  3. Step 3: Cross multiply
    18,512.42x = 25,541.27 × 11,334.83
  4. Step 4: Simplify right side
    18,512.42x = 289,505,907.34
  5. Step 5: Solve for x
    x = 289,505,907.34/18,512.42
  6. Step 6: Final answer
    x = 15,638.47

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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.