Home / 19,476.48-26,879.55-11,927.82

Finding the Fourth Proportional to 19,476.48, 26,879.55 and 11,927.82

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Solution

The fourth proportional to 19,476.48, 26,879.55 and 11,927.82 is: 16,461.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476.48 : 26,879.55 = 11,927.82 : x
  2. Step 2: Convert to fraction form
    19,476.48/26,879.55 = 11,927.82/x
  3. Step 3: Cross multiply
    19,476.48x = 26,879.55 × 11,927.82
  4. Step 4: Simplify right side
    19,476.48x = 320,614,434.08
  5. Step 5: Solve for x
    x = 320,614,434.08/19,476.48
  6. Step 6: Final answer
    x = 16,461.62

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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.