Home / 19,662.08-29,490.24-5,812.16

Finding the Fourth Proportional to 19,662.08, 29,490.24 and 5,812.16

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Solution

The fourth proportional to 19,662.08, 29,490.24 and 5,812.16 is: 8,717.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.08 : 29,490.24 = 5,812.16 : x
  2. Step 2: Convert to fraction form
    19,662.08/29,490.24 = 5,812.16/x
  3. Step 3: Cross multiply
    19,662.08x = 29,490.24 × 5,812.16
  4. Step 4: Simplify right side
    19,662.08x = 171,401,993.32
  5. Step 5: Solve for x
    x = 171,401,993.32/19,662.08
  6. Step 6: Final answer
    x = 8,717.39

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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.