Home / 13,996.80-19,315.26-8,027.64

Finding the Fourth Proportional to 13,996.80, 19,315.26 and 8,027.64

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Solution

The fourth proportional to 13,996.80, 19,315.26 and 8,027.64 is: 11,077.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.80 : 19,315.26 = 8,027.64 : x
  2. Step 2: Convert to fraction form
    13,996.80/19,315.26 = 8,027.64/x
  3. Step 3: Cross multiply
    13,996.80x = 19,315.26 × 8,027.64
  4. Step 4: Simplify right side
    13,996.80x = 155,055,953.79
  5. Step 5: Solve for x
    x = 155,055,953.79/13,996.80
  6. Step 6: Final answer
    x = 11,077.96

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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.