Home / 18,548.48-25,621.44-13,824.56

Finding the Fourth Proportional to 18,548.48, 25,621.44 and 13,824.56

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Solution

The fourth proportional to 18,548.48, 25,621.44 and 13,824.56 is: 19,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.48 : 25,621.44 = 13,824.56 : x
  2. Step 2: Convert to fraction form
    18,548.48/25,621.44 = 13,824.56/x
  3. Step 3: Cross multiply
    18,548.48x = 25,621.44 × 13,824.56
  4. Step 4: Simplify right side
    18,548.48x = 354,205,134.57
  5. Step 5: Solve for x
    x = 354,205,134.57/18,548.48
  6. Step 6: Final answer
    x = 19,096.18

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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.