Home / 12,466.22-17,235.79-11,915.42

Finding the Fourth Proportional to 12,466.22, 17,235.79 and 11,915.42

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Solution

The fourth proportional to 12,466.22, 17,235.79 and 11,915.42 is: 16,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.22 : 17,235.79 = 11,915.42 : x
  2. Step 2: Convert to fraction form
    12,466.22/17,235.79 = 11,915.42/x
  3. Step 3: Cross multiply
    12,466.22x = 17,235.79 × 11,915.42
  4. Step 4: Simplify right side
    12,466.22x = 205,371,560.91
  5. Step 5: Solve for x
    x = 205,371,560.91/12,466.22
  6. Step 6: Final answer
    x = 16,474.25

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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.