Home / 19,212.47-26,509.19-11,662.77

Finding the Fourth Proportional to 19,212.47, 26,509.19 and 11,662.77

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Solution

The fourth proportional to 19,212.47, 26,509.19 and 11,662.77 is: 16,092.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.47 : 26,509.19 = 11,662.77 : x
  2. Step 2: Convert to fraction form
    19,212.47/26,509.19 = 11,662.77/x
  3. Step 3: Cross multiply
    19,212.47x = 26,509.19 × 11,662.77
  4. Step 4: Simplify right side
    19,212.47x = 309,170,585.86
  5. Step 5: Solve for x
    x = 309,170,585.86/19,212.47
  6. Step 6: Final answer
    x = 16,092.19

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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.