Home / 17,981.37-26,972.31-6,888.62

Finding the Fourth Proportional to 17,981.37, 26,972.31 and 6,888.62

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Solution

The fourth proportional to 17,981.37, 26,972.31 and 6,888.62 is: 10,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.37 : 26,972.31 = 6,888.62 : x
  2. Step 2: Convert to fraction form
    17,981.37/26,972.31 = 6,888.62/x
  3. Step 3: Cross multiply
    17,981.37x = 26,972.31 × 6,888.62
  4. Step 4: Simplify right side
    17,981.37x = 185,802,087.38
  5. Step 5: Solve for x
    x = 185,802,087.38/17,981.37
  6. Step 6: Final answer
    x = 10,333.03

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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.