Home / 19,427.83-26,810.44-11,470.56

Finding the Fourth Proportional to 19,427.83, 26,810.44 and 11,470.56

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Solution

The fourth proportional to 19,427.83, 26,810.44 and 11,470.56 is: 15,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.83 : 26,810.44 = 11,470.56 : x
  2. Step 2: Convert to fraction form
    19,427.83/26,810.44 = 11,470.56/x
  3. Step 3: Cross multiply
    19,427.83x = 26,810.44 × 11,470.56
  4. Step 4: Simplify right side
    19,427.83x = 307,530,703.29
  5. Step 5: Solve for x
    x = 307,530,703.29/19,427.83
  6. Step 6: Final answer
    x = 15,829.39

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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.