Home / 18,440.48-25,447.43-11,270.36

Finding the Fourth Proportional to 18,440.48, 25,447.43 and 11,270.36

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Solution

The fourth proportional to 18,440.48, 25,447.43 and 11,270.36 is: 15,552.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.48 : 25,447.43 = 11,270.36 : x
  2. Step 2: Convert to fraction form
    18,440.48/25,447.43 = 11,270.36/x
  3. Step 3: Cross multiply
    18,440.48x = 25,447.43 × 11,270.36
  4. Step 4: Simplify right side
    18,440.48x = 286,801,788.97
  5. Step 5: Solve for x
    x = 286,801,788.97/18,440.48
  6. Step 6: Final answer
    x = 15,552.84

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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.