Home / 19,480.32-29,211.82-12,084.48

Finding the Fourth Proportional to 19,480.32, 29,211.82 and 12,084.48

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Solution

The fourth proportional to 19,480.32, 29,211.82 and 12,084.48 is: 18,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480.32 : 29,211.82 = 12,084.48 : x
  2. Step 2: Convert to fraction form
    19,480.32/29,211.82 = 12,084.48/x
  3. Step 3: Cross multiply
    19,480.32x = 29,211.82 × 12,084.48
  4. Step 4: Simplify right side
    19,480.32x = 353,009,654.55
  5. Step 5: Solve for x
    x = 353,009,654.55/19,480.32
  6. Step 6: Final answer
    x = 18,121.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.