Home / 12,904.44-19,355.22-3,545.16

Finding the Fourth Proportional to 12,904.44, 19,355.22 and 3,545.16

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Solution

The fourth proportional to 12,904.44, 19,355.22 and 3,545.16 is: 5,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904.44 : 19,355.22 = 3,545.16 : x
  2. Step 2: Convert to fraction form
    12,904.44/19,355.22 = 3,545.16/x
  3. Step 3: Cross multiply
    12,904.44x = 19,355.22 × 3,545.16
  4. Step 4: Simplify right side
    12,904.44x = 68,617,351.74
  5. Step 5: Solve for x
    x = 68,617,351.74/12,904.44
  6. Step 6: Final answer
    x = 5,317.34

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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.