Home / 13,841.43-19,102.77-7,874.03

Finding the Fourth Proportional to 13,841.43, 19,102.77 and 7,874.03

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Solution

The fourth proportional to 13,841.43, 19,102.77 and 7,874.03 is: 10,867.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.43 : 19,102.77 = 7,874.03 : x
  2. Step 2: Convert to fraction form
    13,841.43/19,102.77 = 7,874.03/x
  3. Step 3: Cross multiply
    13,841.43x = 19,102.77 × 7,874.03
  4. Step 4: Simplify right side
    13,841.43x = 150,415,784.06
  5. Step 5: Solve for x
    x = 150,415,784.06/13,841.43
  6. Step 6: Final answer
    x = 10,867.07

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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.