Home / 18,531.70-27,812.16-6,848.26

Finding the Fourth Proportional to 18,531.70, 27,812.16 and 6,848.26

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Solution

The fourth proportional to 18,531.70, 27,812.16 and 6,848.26 is: 10,277.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.70 : 27,812.16 = 6,848.26 : x
  2. Step 2: Convert to fraction form
    18,531.70/27,812.16 = 6,848.26/x
  3. Step 3: Cross multiply
    18,531.70x = 27,812.16 × 6,848.26
  4. Step 4: Simplify right side
    18,531.70x = 190,464,902.84
  5. Step 5: Solve for x
    x = 190,464,902.84/18,531.70
  6. Step 6: Final answer
    x = 10,277.79

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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.