Home / 19,461.59-26,858.36-11,078.09

Finding the Fourth Proportional to 19,461.59, 26,858.36 and 11,078.09

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Solution

The fourth proportional to 19,461.59, 26,858.36 and 11,078.09 is: 15,288.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.59 : 26,858.36 = 11,078.09 : x
  2. Step 2: Convert to fraction form
    19,461.59/26,858.36 = 11,078.09/x
  3. Step 3: Cross multiply
    19,461.59x = 26,858.36 × 11,078.09
  4. Step 4: Simplify right side
    19,461.59x = 297,539,329.33
  5. Step 5: Solve for x
    x = 297,539,329.33/19,461.59
  6. Step 6: Final answer
    x = 15,288.54

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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.