Home / 19,271.49-28,906.79-8,883.24

Finding the Fourth Proportional to 19,271.49, 28,906.79 and 8,883.24

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Solution

The fourth proportional to 19,271.49, 28,906.79 and 8,883.24 is: 13,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.49 : 28,906.79 = 8,883.24 : x
  2. Step 2: Convert to fraction form
    19,271.49/28,906.79 = 8,883.24/x
  3. Step 3: Cross multiply
    19,271.49x = 28,906.79 × 8,883.24
  4. Step 4: Simplify right side
    19,271.49x = 256,785,908.78
  5. Step 5: Solve for x
    x = 256,785,908.78/19,271.49
  6. Step 6: Final answer
    x = 13,324.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.