Home / 14,205.50-21,312.30-4,847.60

Finding the Fourth Proportional to 14,205.50, 21,312.30 and 4,847.60

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Solution

The fourth proportional to 14,205.50, 21,312.30 and 4,847.60 is: 7,272.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.50 : 21,312.30 = 4,847.60 : x
  2. Step 2: Convert to fraction form
    14,205.50/21,312.30 = 4,847.60/x
  3. Step 3: Cross multiply
    14,205.50x = 21,312.30 × 4,847.60
  4. Step 4: Simplify right side
    14,205.50x = 103,313,505.48
  5. Step 5: Solve for x
    x = 103,313,505.48/14,205.50
  6. Step 6: Final answer
    x = 7,272.78

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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.