Home / 19,468.80-26,847.36-11,511.36

Finding the Fourth Proportional to 19,468.80, 26,847.36 and 11,511.36

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Solution

The fourth proportional to 19,468.80, 26,847.36 and 11,511.36 is: 15,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,468.80 : 26,847.36 = 11,511.36 : x
  2. Step 2: Convert to fraction form
    19,468.80/26,847.36 = 11,511.36/x
  3. Step 3: Cross multiply
    19,468.80x = 26,847.36 × 11,511.36
  4. Step 4: Simplify right side
    19,468.80x = 309,049,626.01
  5. Step 5: Solve for x
    x = 309,049,626.01/19,468.80
  6. Step 6: Final answer
    x = 15,874.10

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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.