Home / 13,896.93-19,179.68-8,522.58

Finding the Fourth Proportional to 13,896.93, 19,179.68 and 8,522.58

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Solution

The fourth proportional to 13,896.93, 19,179.68 and 8,522.58 is: 11,762.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.93 : 19,179.68 = 8,522.58 : x
  2. Step 2: Convert to fraction form
    13,896.93/19,179.68 = 8,522.58/x
  3. Step 3: Cross multiply
    13,896.93x = 19,179.68 × 8,522.58
  4. Step 4: Simplify right side
    13,896.93x = 163,460,357.17
  5. Step 5: Solve for x
    x = 163,460,357.17/13,896.93
  6. Step 6: Final answer
    x = 11,762.34

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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.