Home / 14,982.40-22,473.60-13,772.80

Finding the Fourth Proportional to 14,982.40, 22,473.60 and 13,772.80

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Solution

The fourth proportional to 14,982.40, 22,473.60 and 13,772.80 is: 20,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.40 : 22,473.60 = 13,772.80 : x
  2. Step 2: Convert to fraction form
    14,982.40/22,473.60 = 13,772.80/x
  3. Step 3: Cross multiply
    14,982.40x = 22,473.60 × 13,772.80
  4. Step 4: Simplify right side
    14,982.40x = 309,524,398.08
  5. Step 5: Solve for x
    x = 309,524,398.08/14,982.40
  6. Step 6: Final answer
    x = 20,659.20

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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.