Home / 14,902.40-22,321.20-9,048.80

Finding the Fourth Proportional to 14,902.40, 22,321.20 and 9,048.80

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Solution

The fourth proportional to 14,902.40, 22,321.20 and 9,048.80 is: 13,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,902.40 : 22,321.20 = 9,048.80 : x
  2. Step 2: Convert to fraction form
    14,902.40/22,321.20 = 9,048.80/x
  3. Step 3: Cross multiply
    14,902.40x = 22,321.20 × 9,048.80
  4. Step 4: Simplify right side
    14,902.40x = 201,980,074.56
  5. Step 5: Solve for x
    x = 201,980,074.56/14,902.40
  6. Step 6: Final answer
    x = 13,553.53

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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.