Home / 13,849.45-19,112.24-7,561.82

Finding the Fourth Proportional to 13,849.45, 19,112.24 and 7,561.82

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Solution

The fourth proportional to 13,849.45, 19,112.24 and 7,561.82 is: 10,435.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.45 : 19,112.24 = 7,561.82 : x
  2. Step 2: Convert to fraction form
    13,849.45/19,112.24 = 7,561.82/x
  3. Step 3: Cross multiply
    13,849.45x = 19,112.24 × 7,561.82
  4. Step 4: Simplify right side
    13,849.45x = 144,523,385.36
  5. Step 5: Solve for x
    x = 144,523,385.36/13,849.45
  6. Step 6: Final answer
    x = 10,435.32

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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.