Home / 13,992.84-19,310.26-7,705.24

Finding the Fourth Proportional to 13,992.84, 19,310.26 and 7,705.24

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Solution

The fourth proportional to 13,992.84, 19,310.26 and 7,705.24 is: 10,633.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.84 : 19,310.26 = 7,705.24 : x
  2. Step 2: Convert to fraction form
    13,992.84/19,310.26 = 7,705.24/x
  3. Step 3: Cross multiply
    13,992.84x = 19,310.26 × 7,705.24
  4. Step 4: Simplify right side
    13,992.84x = 148,790,187.76
  5. Step 5: Solve for x
    x = 148,790,187.76/13,992.84
  6. Step 6: Final answer
    x = 10,633.31

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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.