Home / 19,126.44-26,388.74-11,166.76

Finding the Fourth Proportional to 19,126.44, 26,388.74 and 11,166.76

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Solution

The fourth proportional to 19,126.44, 26,388.74 and 11,166.76 is: 15,406.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.44 : 26,388.74 = 11,166.76 : x
  2. Step 2: Convert to fraction form
    19,126.44/26,388.74 = 11,166.76/x
  3. Step 3: Cross multiply
    19,126.44x = 26,388.74 × 11,166.76
  4. Step 4: Simplify right side
    19,126.44x = 294,676,726.28
  5. Step 5: Solve for x
    x = 294,676,726.28/19,126.44
  6. Step 6: Final answer
    x = 15,406.77

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Double scale
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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.