Home / 19,076.40-28,611.54-5,222.16

Finding the Fourth Proportional to 19,076.40, 28,611.54 and 5,222.16

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Solution

The fourth proportional to 19,076.40, 28,611.54 and 5,222.16 is: 7,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.40 : 28,611.54 = 5,222.16 : x
  2. Step 2: Convert to fraction form
    19,076.40/28,611.54 = 5,222.16/x
  3. Step 3: Cross multiply
    19,076.40x = 28,611.54 × 5,222.16
  4. Step 4: Simplify right side
    19,076.40x = 149,414,039.73
  5. Step 5: Solve for x
    x = 149,414,039.73/19,076.40
  6. Step 6: Final answer
    x = 7,832.40

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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.