Home / 12,650.19-18,975.31-11,026.34

Finding the Fourth Proportional to 12,650.19, 18,975.31 and 11,026.34

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Solution

The fourth proportional to 12,650.19, 18,975.31 and 11,026.34 is: 16,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.19 : 18,975.31 = 11,026.34 : x
  2. Step 2: Convert to fraction form
    12,650.19/18,975.31 = 11,026.34/x
  3. Step 3: Cross multiply
    12,650.19x = 18,975.31 × 11,026.34
  4. Step 4: Simplify right side
    12,650.19x = 209,228,337.14
  5. Step 5: Solve for x
    x = 209,228,337.14/12,650.19
  6. Step 6: Final answer
    x = 16,539.54

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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.