Home / 18,749.37-25,874.81-11,201.49

Finding the Fourth Proportional to 18,749.37, 25,874.81 and 11,201.49

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Solution

The fourth proportional to 18,749.37, 25,874.81 and 11,201.49 is: 15,458.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.37 : 25,874.81 = 11,201.49 : x
  2. Step 2: Convert to fraction form
    18,749.37/25,874.81 = 11,201.49/x
  3. Step 3: Cross multiply
    18,749.37x = 25,874.81 × 11,201.49
  4. Step 4: Simplify right side
    18,749.37x = 289,836,411.47
  5. Step 5: Solve for x
    x = 289,836,411.47/18,749.37
  6. Step 6: Final answer
    x = 15,458.46

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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.