Home / 14,219.70-19,626.81-8,483.34

Finding the Fourth Proportional to 14,219.70, 19,626.81 and 8,483.34

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Solution

The fourth proportional to 14,219.70, 19,626.81 and 8,483.34 is: 11,709.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.70 : 19,626.81 = 8,483.34 : x
  2. Step 2: Convert to fraction form
    14,219.70/19,626.81 = 8,483.34/x
  3. Step 3: Cross multiply
    14,219.70x = 19,626.81 × 8,483.34
  4. Step 4: Simplify right side
    14,219.70x = 166,500,902.35
  5. Step 5: Solve for x
    x = 166,500,902.35/14,219.70
  6. Step 6: Final answer
    x = 11,709.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.