Home / 13,828.05-19,083.06-7,859.52

Finding the Fourth Proportional to 13,828.05, 19,083.06 and 7,859.52

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Solution

The fourth proportional to 13,828.05, 19,083.06 and 7,859.52 is: 10,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.05 : 19,083.06 = 7,859.52 : x
  2. Step 2: Convert to fraction form
    13,828.05/19,083.06 = 7,859.52/x
  3. Step 3: Cross multiply
    13,828.05x = 19,083.06 × 7,859.52
  4. Step 4: Simplify right side
    13,828.05x = 149,983,691.73
  5. Step 5: Solve for x
    x = 149,983,691.73/13,828.05
  6. Step 6: Final answer
    x = 10,846.34

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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.