Home / 13,849.07-19,111.68-7,561.44

Finding the Fourth Proportional to 13,849.07, 19,111.68 and 7,561.44

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Solution

The fourth proportional to 13,849.07, 19,111.68 and 7,561.44 is: 10,434.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.07 : 19,111.68 = 7,561.44 : x
  2. Step 2: Convert to fraction form
    13,849.07/19,111.68 = 7,561.44/x
  3. Step 3: Cross multiply
    13,849.07x = 19,111.68 × 7,561.44
  4. Step 4: Simplify right side
    13,849.07x = 144,511,821.62
  5. Step 5: Solve for x
    x = 144,511,821.62/13,849.07
  6. Step 6: Final answer
    x = 10,434.77

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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.