Home / 19,185.32-28,940.07-18,176.96

Finding the Fourth Proportional to 19,185.32, 28,940.07 and 18,176.96

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Solution

The fourth proportional to 19,185.32, 28,940.07 and 18,176.96 is: 27,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.32 : 28,940.07 = 18,176.96 : x
  2. Step 2: Convert to fraction form
    19,185.32/28,940.07 = 18,176.96/x
  3. Step 3: Cross multiply
    19,185.32x = 28,940.07 × 18,176.96
  4. Step 4: Simplify right side
    19,185.32x = 526,042,494.79
  5. Step 5: Solve for x
    x = 526,042,494.79/19,185.32
  6. Step 6: Final answer
    x = 27,419.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.