Home / 18,637.56-25,725.32-11,089.24

Finding the Fourth Proportional to 18,637.56, 25,725.32 and 11,089.24

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Solution

The fourth proportional to 18,637.56, 25,725.32 and 11,089.24 is: 15,306.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.56 : 25,725.32 = 11,089.24 : x
  2. Step 2: Convert to fraction form
    18,637.56/25,725.32 = 11,089.24/x
  3. Step 3: Cross multiply
    18,637.56x = 25,725.32 × 11,089.24
  4. Step 4: Simplify right side
    18,637.56x = 285,274,247.56
  5. Step 5: Solve for x
    x = 285,274,247.56/18,637.56
  6. Step 6: Final answer
    x = 15,306.42

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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.