Home / 13,280.13-19,922.24-4,512.99

Finding the Fourth Proportional to 13,280.13, 19,922.24 and 4,512.99

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Solution

The fourth proportional to 13,280.13, 19,922.24 and 4,512.99 is: 6,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.13 : 19,922.24 = 4,512.99 : x
  2. Step 2: Convert to fraction form
    13,280.13/19,922.24 = 4,512.99/x
  3. Step 3: Cross multiply
    13,280.13x = 19,922.24 × 4,512.99
  4. Step 4: Simplify right side
    13,280.13x = 89,908,847.33
  5. Step 5: Solve for x
    x = 89,908,847.33/13,280.13
  6. Step 6: Final answer
    x = 6,770.18

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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.