Home / 14,086.36-19,439.48-7,713.22

Finding the Fourth Proportional to 14,086.36, 19,439.48 and 7,713.22

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Solution

The fourth proportional to 14,086.36, 19,439.48 and 7,713.22 is: 10,644.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.36 : 19,439.48 = 7,713.22 : x
  2. Step 2: Convert to fraction form
    14,086.36/19,439.48 = 7,713.22/x
  3. Step 3: Cross multiply
    14,086.36x = 19,439.48 × 7,713.22
  4. Step 4: Simplify right side
    14,086.36x = 149,940,985.93
  5. Step 5: Solve for x
    x = 149,940,985.93/14,086.36
  6. Step 6: Final answer
    x = 10,644.41

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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.