Home / 13,347.20-20,022.60-4,584.80

Finding the Fourth Proportional to 13,347.20, 20,022.60 and 4,584.80

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Solution

The fourth proportional to 13,347.20, 20,022.60 and 4,584.80 is: 6,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.20 : 20,022.60 = 4,584.80 : x
  2. Step 2: Convert to fraction form
    13,347.20/20,022.60 = 4,584.80/x
  3. Step 3: Cross multiply
    13,347.20x = 20,022.60 × 4,584.80
  4. Step 4: Simplify right side
    13,347.20x = 91,799,616.48
  5. Step 5: Solve for x
    x = 91,799,616.48/13,347.20
  6. Step 6: Final answer
    x = 6,877.82

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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.