Home / 12,551.51-18,790.28-10,994.56

Finding the Fourth Proportional to 12,551.51, 18,790.28 and 10,994.56

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Solution

The fourth proportional to 12,551.51, 18,790.28 and 10,994.56 is: 16,459.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.51 : 18,790.28 = 10,994.56 : x
  2. Step 2: Convert to fraction form
    12,551.51/18,790.28 = 10,994.56/x
  3. Step 3: Cross multiply
    12,551.51x = 18,790.28 × 10,994.56
  4. Step 4: Simplify right side
    12,551.51x = 206,590,860.88
  5. Step 5: Solve for x
    x = 206,590,860.88/12,551.51
  6. Step 6: Final answer
    x = 16,459.44

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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.