Home / 19,486.83-26,906.23-11,943.47

Finding the Fourth Proportional to 19,486.83, 26,906.23 and 11,943.47

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Solution

The fourth proportional to 19,486.83, 26,906.23 and 11,943.47 is: 16,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.83 : 26,906.23 = 11,943.47 : x
  2. Step 2: Convert to fraction form
    19,486.83/26,906.23 = 11,943.47/x
  3. Step 3: Cross multiply
    19,486.83x = 26,906.23 × 11,943.47
  4. Step 4: Simplify right side
    19,486.83x = 321,353,833.01
  5. Step 5: Solve for x
    x = 321,353,833.01/19,486.83
  6. Step 6: Final answer
    x = 16,490.82

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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.