Home / 14,683.14-20,257.70-8,308.98

Finding the Fourth Proportional to 14,683.14, 20,257.70 and 8,308.98

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Solution

The fourth proportional to 14,683.14, 20,257.70 and 8,308.98 is: 11,463.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,683.14 : 20,257.70 = 8,308.98 : x
  2. Step 2: Convert to fraction form
    14,683.14/20,257.70 = 8,308.98/x
  3. Step 3: Cross multiply
    14,683.14x = 20,257.70 × 8,308.98
  4. Step 4: Simplify right side
    14,683.14x = 168,320,782.60
  5. Step 5: Solve for x
    x = 168,320,782.60/14,683.14
  6. Step 6: Final answer
    x = 11,463.54

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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.