Home / 18,607.05-27,911.49-7,512.36

Finding the Fourth Proportional to 18,607.05, 27,911.49 and 7,512.36

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Solution

The fourth proportional to 18,607.05, 27,911.49 and 7,512.36 is: 11,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.05 : 27,911.49 = 7,512.36 : x
  2. Step 2: Convert to fraction form
    18,607.05/27,911.49 = 7,512.36/x
  3. Step 3: Cross multiply
    18,607.05x = 27,911.49 × 7,512.36
  4. Step 4: Simplify right side
    18,607.05x = 209,681,161.02
  5. Step 5: Solve for x
    x = 209,681,161.02/18,607.05
  6. Step 6: Final answer
    x = 11,268.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.