Home / 19,139.72-26,408.75-11,584.58

Finding the Fourth Proportional to 19,139.72, 26,408.75 and 11,584.58

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Solution

The fourth proportional to 19,139.72, 26,408.75 and 11,584.58 is: 15,984.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139.72 : 26,408.75 = 11,584.58 : x
  2. Step 2: Convert to fraction form
    19,139.72/26,408.75 = 11,584.58/x
  3. Step 3: Cross multiply
    19,139.72x = 26,408.75 × 11,584.58
  4. Step 4: Simplify right side
    19,139.72x = 305,934,087.11
  5. Step 5: Solve for x
    x = 305,934,087.11/19,139.72
  6. Step 6: Final answer
    x = 15,984.26

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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.