Home / 13,956.12-19,240.20-11,133.07

Finding the Fourth Proportional to 13,956.12, 19,240.20 and 11,133.07

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Solution

The fourth proportional to 13,956.12, 19,240.20 and 11,133.07 is: 15,348.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.12 : 19,240.20 = 11,133.07 : x
  2. Step 2: Convert to fraction form
    13,956.12/19,240.20 = 11,133.07/x
  3. Step 3: Cross multiply
    13,956.12x = 19,240.20 × 11,133.07
  4. Step 4: Simplify right side
    13,956.12x = 214,202,493.41
  5. Step 5: Solve for x
    x = 214,202,493.41/13,956.12
  6. Step 6: Final answer
    x = 15,348.28

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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.