Home / 13,967.36-19,268.36-8,660.24

Finding the Fourth Proportional to 13,967.36, 19,268.36 and 8,660.24

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Solution

The fourth proportional to 13,967.36, 19,268.36 and 8,660.24 is: 11,947.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.36 : 19,268.36 = 8,660.24 : x
  2. Step 2: Convert to fraction form
    13,967.36/19,268.36 = 8,660.24/x
  3. Step 3: Cross multiply
    13,967.36x = 19,268.36 × 8,660.24
  4. Step 4: Simplify right side
    13,967.36x = 166,868,622.01
  5. Step 5: Solve for x
    x = 166,868,622.01/13,967.36
  6. Step 6: Final answer
    x = 11,947.04

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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.