Home / 13,972.04-19,261.52-11,114.36

Finding the Fourth Proportional to 13,972.04, 19,261.52 and 11,114.36

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Solution

The fourth proportional to 13,972.04, 19,261.52 and 11,114.36 is: 15,321.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.04 : 19,261.52 = 11,114.36 : x
  2. Step 2: Convert to fraction form
    13,972.04/19,261.52 = 11,114.36/x
  3. Step 3: Cross multiply
    13,972.04x = 19,261.52 × 11,114.36
  4. Step 4: Simplify right side
    13,972.04x = 214,079,467.43
  5. Step 5: Solve for x
    x = 214,079,467.43/13,972.04
  6. Step 6: Final answer
    x = 15,321.99

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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.