Home / 18,464.49-27,650.34-11,415.51

Finding the Fourth Proportional to 18,464.49, 27,650.34 and 11,415.51

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Solution

The fourth proportional to 18,464.49, 27,650.34 and 11,415.51 is: 17,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.49 : 27,650.34 = 11,415.51 : x
  2. Step 2: Convert to fraction form
    18,464.49/27,650.34 = 11,415.51/x
  3. Step 3: Cross multiply
    18,464.49x = 27,650.34 × 11,415.51
  4. Step 4: Simplify right side
    18,464.49x = 315,642,732.77
  5. Step 5: Solve for x
    x = 315,642,732.77/18,464.49
  6. Step 6: Final answer
    x = 17,094.58

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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.