Home / 12,394.88-18,569.77-11,066.28

Finding the Fourth Proportional to 12,394.88, 18,569.77 and 11,066.28

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Solution

The fourth proportional to 12,394.88, 18,569.77 and 11,066.28 is: 16,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.88 : 18,569.77 = 11,066.28 : x
  2. Step 2: Convert to fraction form
    12,394.88/18,569.77 = 11,066.28/x
  3. Step 3: Cross multiply
    12,394.88x = 18,569.77 × 11,066.28
  4. Step 4: Simplify right side
    12,394.88x = 205,498,274.36
  5. Step 5: Solve for x
    x = 205,498,274.36/12,394.88
  6. Step 6: Final answer
    x = 16,579.29

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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.