Home / 19,850.08-27,362.64-15,651.04

Finding the Fourth Proportional to 19,850.08, 27,362.64 and 15,651.04

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Solution

The fourth proportional to 19,850.08, 27,362.64 and 15,651.04 is: 21,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.08 : 27,362.64 = 15,651.04 : x
  2. Step 2: Convert to fraction form
    19,850.08/27,362.64 = 15,651.04/x
  3. Step 3: Cross multiply
    19,850.08x = 27,362.64 × 15,651.04
  4. Step 4: Simplify right side
    19,850.08x = 428,253,773.15
  5. Step 5: Solve for x
    x = 428,253,773.15/19,850.08
  6. Step 6: Final answer
    x = 21,574.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.