Home / 19,283.27-26,616.87-11,219.31

Finding the Fourth Proportional to 19,283.27, 26,616.87 and 11,219.31

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Solution

The fourth proportional to 19,283.27, 26,616.87 and 11,219.31 is: 15,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.27 : 26,616.87 = 11,219.31 : x
  2. Step 2: Convert to fraction form
    19,283.27/26,616.87 = 11,219.31/x
  3. Step 3: Cross multiply
    19,283.27x = 26,616.87 × 11,219.31
  4. Step 4: Simplify right side
    19,283.27x = 298,622,915.76
  5. Step 5: Solve for x
    x = 298,622,915.76/19,283.27
  6. Step 6: Final answer
    x = 15,486.12

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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.