Home / 19,072.90-28,611.19-5,921.74

Finding the Fourth Proportional to 19,072.90, 28,611.19 and 5,921.74

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Solution

The fourth proportional to 19,072.90, 28,611.19 and 5,921.74 is: 8,883.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.90 : 28,611.19 = 5,921.74 : x
  2. Step 2: Convert to fraction form
    19,072.90/28,611.19 = 5,921.74/x
  3. Step 3: Cross multiply
    19,072.90x = 28,611.19 × 5,921.74
  4. Step 4: Simplify right side
    19,072.90x = 169,428,071.44
  5. Step 5: Solve for x
    x = 169,428,071.44/19,072.90
  6. Step 6: Final answer
    x = 8,883.18

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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.