Home / 13,893.51-19,173.17-8,228.58

Finding the Fourth Proportional to 13,893.51, 19,173.17 and 8,228.58

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Solution

The fourth proportional to 13,893.51, 19,173.17 and 8,228.58 is: 11,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.51 : 19,173.17 = 8,228.58 : x
  2. Step 2: Convert to fraction form
    13,893.51/19,173.17 = 8,228.58/x
  3. Step 3: Cross multiply
    13,893.51x = 19,173.17 × 8,228.58
  4. Step 4: Simplify right side
    13,893.51x = 157,767,963.20
  5. Step 5: Solve for x
    x = 157,767,963.20/13,893.51
  6. Step 6: Final answer
    x = 11,355.52

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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.