Home / 12,903.18-19,357.49-4,144.24

Finding the Fourth Proportional to 12,903.18, 19,357.49 and 4,144.24

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Solution

The fourth proportional to 12,903.18, 19,357.49 and 4,144.24 is: 6,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.18 : 19,357.49 = 4,144.24 : x
  2. Step 2: Convert to fraction form
    12,903.18/19,357.49 = 4,144.24/x
  3. Step 3: Cross multiply
    12,903.18x = 19,357.49 × 4,144.24
  4. Step 4: Simplify right side
    12,903.18x = 80,222,084.36
  5. Step 5: Solve for x
    x = 80,222,084.36/12,903.18
  6. Step 6: Final answer
    x = 6,217.23

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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.