Home / 19,150.08-26,418.24-11,192.64

Finding the Fourth Proportional to 19,150.08, 26,418.24 and 11,192.64

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Solution

The fourth proportional to 19,150.08, 26,418.24 and 11,192.64 is: 15,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.08 : 26,418.24 = 11,192.64 : x
  2. Step 2: Convert to fraction form
    19,150.08/26,418.24 = 11,192.64/x
  3. Step 3: Cross multiply
    19,150.08x = 26,418.24 × 11,192.64
  4. Step 4: Simplify right side
    19,150.08x = 295,689,849.75
  5. Step 5: Solve for x
    x = 295,689,849.75/19,150.08
  6. Step 6: Final answer
    x = 15,440.66

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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.