Home / 19,219.26-26,511.47-11,557.20

Finding the Fourth Proportional to 19,219.26, 26,511.47 and 11,557.20

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Solution

The fourth proportional to 19,219.26, 26,511.47 and 11,557.20 is: 15,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.26 : 26,511.47 = 11,557.20 : x
  2. Step 2: Convert to fraction form
    19,219.26/26,511.47 = 11,557.20/x
  3. Step 3: Cross multiply
    19,219.26x = 26,511.47 × 11,557.20
  4. Step 4: Simplify right side
    19,219.26x = 306,398,296.93
  5. Step 5: Solve for x
    x = 306,398,296.93/19,219.26
  6. Step 6: Final answer
    x = 15,942.25

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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.