Home / 19,003.44-26,233.56-11,042.76

Finding the Fourth Proportional to 19,003.44, 26,233.56 and 11,042.76

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Solution

The fourth proportional to 19,003.44, 26,233.56 and 11,042.76 is: 15,244.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.44 : 26,233.56 = 11,042.76 : x
  2. Step 2: Convert to fraction form
    19,003.44/26,233.56 = 11,042.76/x
  3. Step 3: Cross multiply
    19,003.44x = 26,233.56 × 11,042.76
  4. Step 4: Simplify right side
    19,003.44x = 289,690,907.03
  5. Step 5: Solve for x
    x = 289,690,907.03/19,003.44
  6. Step 6: Final answer
    x = 15,244.13

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Half scale
Find fourth proportional to 38,006.88, 52,467.12 and 22,085.52
Double scale
Find fourth proportional to 19,004.44, 26,234.94 and 11,043.76
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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.