Home / 12,903.08-19,357.66-3,669.16

Finding the Fourth Proportional to 12,903.08, 19,357.66 and 3,669.16

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Solution

The fourth proportional to 12,903.08, 19,357.66 and 3,669.16 is: 5,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.08 : 19,357.66 = 3,669.16 : x
  2. Step 2: Convert to fraction form
    12,903.08/19,357.66 = 3,669.16/x
  3. Step 3: Cross multiply
    12,903.08x = 19,357.66 × 3,669.16
  4. Step 4: Simplify right side
    12,903.08x = 71,026,351.77
  5. Step 5: Solve for x
    x = 71,026,351.77/12,903.08
  6. Step 6: Final answer
    x = 5,504.60

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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.