Home / 13,872.66-19,153.44-8,575.26

Finding the Fourth Proportional to 13,872.66, 19,153.44 and 8,575.26

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Solution

The fourth proportional to 13,872.66, 19,153.44 and 8,575.26 is: 11,839.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872.66 : 19,153.44 = 8,575.26 : x
  2. Step 2: Convert to fraction form
    13,872.66/19,153.44 = 8,575.26/x
  3. Step 3: Cross multiply
    13,872.66x = 19,153.44 × 8,575.26
  4. Step 4: Simplify right side
    13,872.66x = 164,245,727.89
  5. Step 5: Solve for x
    x = 164,245,727.89/13,872.66
  6. Step 6: Final answer
    x = 11,839.53

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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.