Home / 13,883.19-19,159.26-7,914.75

Finding the Fourth Proportional to 13,883.19, 19,159.26 and 7,914.75

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Solution

The fourth proportional to 13,883.19, 19,159.26 and 7,914.75 is: 10,922.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.19 : 19,159.26 = 7,914.75 : x
  2. Step 2: Convert to fraction form
    13,883.19/19,159.26 = 7,914.75/x
  3. Step 3: Cross multiply
    13,883.19x = 19,159.26 × 7,914.75
  4. Step 4: Simplify right side
    13,883.19x = 151,640,753.09
  5. Step 5: Solve for x
    x = 151,640,753.09/13,883.19
  6. Step 6: Final answer
    x = 10,922.62

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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.