Home / 19,271.51-28,906.84-8,883.26

Finding the Fourth Proportional to 19,271.51, 28,906.84 and 8,883.26

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Solution

The fourth proportional to 19,271.51, 28,906.84 and 8,883.26 is: 13,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.51 : 28,906.84 = 8,883.26 : x
  2. Step 2: Convert to fraction form
    19,271.51/28,906.84 = 8,883.26/x
  3. Step 3: Cross multiply
    19,271.51x = 28,906.84 × 8,883.26
  4. Step 4: Simplify right side
    19,271.51x = 256,786,950.47
  5. Step 5: Solve for x
    x = 256,786,950.47/19,271.51
  6. Step 6: Final answer
    x = 13,324.69

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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.