Home / 19,647.08-29,389.62-12,616.28

Finding the Fourth Proportional to 19,647.08, 29,389.62 and 12,616.28

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Solution

The fourth proportional to 19,647.08, 29,389.62 and 12,616.28 is: 18,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.08 : 29,389.62 = 12,616.28 : x
  2. Step 2: Convert to fraction form
    19,647.08/29,389.62 = 12,616.28/x
  3. Step 3: Cross multiply
    19,647.08x = 29,389.62 × 12,616.28
  4. Step 4: Simplify right side
    19,647.08x = 370,787,675.01
  5. Step 5: Solve for x
    x = 370,787,675.01/19,647.08
  6. Step 6: Final answer
    x = 18,872.41

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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.