Home / 14,233.80-21,321.90-9,856.20

Finding the Fourth Proportional to 14,233.80, 21,321.90 and 9,856.20

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Solution

The fourth proportional to 14,233.80, 21,321.90 and 9,856.20 is: 14,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233.80 : 21,321.90 = 9,856.20 : x
  2. Step 2: Convert to fraction form
    14,233.80/21,321.90 = 9,856.20/x
  3. Step 3: Cross multiply
    14,233.80x = 21,321.90 × 9,856.20
  4. Step 4: Simplify right side
    14,233.80x = 210,152,910.78
  5. Step 5: Solve for x
    x = 210,152,910.78/14,233.80
  6. Step 6: Final answer
    x = 14,764.36

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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.