Home / 17,912.67-26,870.69-6,816.34

Finding the Fourth Proportional to 17,912.67, 26,870.69 and 6,816.34

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Solution

The fourth proportional to 17,912.67, 26,870.69 and 6,816.34 is: 10,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912.67 : 26,870.69 = 6,816.34 : x
  2. Step 2: Convert to fraction form
    17,912.67/26,870.69 = 6,816.34/x
  3. Step 3: Cross multiply
    17,912.67x = 26,870.69 × 6,816.34
  4. Step 4: Simplify right side
    17,912.67x = 183,159,759.07
  5. Step 5: Solve for x
    x = 183,159,759.07/17,912.67
  6. Step 6: Final answer
    x = 10,225.15

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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.