Home / 17,816.70-26,734.28-12,926.70

Finding the Fourth Proportional to 17,816.70, 26,734.28 and 12,926.70

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Solution

The fourth proportional to 17,816.70, 26,734.28 and 12,926.70 is: 19,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,816.70 : 26,734.28 = 12,926.70 : x
  2. Step 2: Convert to fraction form
    17,816.70/26,734.28 = 12,926.70/x
  3. Step 3: Cross multiply
    17,816.70x = 26,734.28 × 12,926.70
  4. Step 4: Simplify right side
    17,816.70x = 345,586,017.28
  5. Step 5: Solve for x
    x = 345,586,017.28/17,816.70
  6. Step 6: Final answer
    x = 19,396.75

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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.