Home / 19,899.73-27,461.97-11,402.59

Finding the Fourth Proportional to 19,899.73, 27,461.97 and 11,402.59

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Solution

The fourth proportional to 19,899.73, 27,461.97 and 11,402.59 is: 15,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.73 : 27,461.97 = 11,402.59 : x
  2. Step 2: Convert to fraction form
    19,899.73/27,461.97 = 11,402.59/x
  3. Step 3: Cross multiply
    19,899.73x = 27,461.97 × 11,402.59
  4. Step 4: Simplify right side
    19,899.73x = 313,137,584.50
  5. Step 5: Solve for x
    x = 313,137,584.50/19,899.73
  6. Step 6: Final answer
    x = 15,735.77

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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.