Home / 13,842.24-19,102.34-7,874.33

Finding the Fourth Proportional to 13,842.24, 19,102.34 and 7,874.33

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Solution

The fourth proportional to 13,842.24, 19,102.34 and 7,874.33 is: 10,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842.24 : 19,102.34 = 7,874.33 : x
  2. Step 2: Convert to fraction form
    13,842.24/19,102.34 = 7,874.33/x
  3. Step 3: Cross multiply
    13,842.24x = 19,102.34 × 7,874.33
  4. Step 4: Simplify right side
    13,842.24x = 150,417,994.05
  5. Step 5: Solve for x
    x = 150,417,994.05/13,842.24
  6. Step 6: Final answer
    x = 10,866.59

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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.