Home / 13,772.94-19,003.52-7,803.24

Finding the Fourth Proportional to 13,772.94, 19,003.52 and 7,803.24

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Solution

The fourth proportional to 13,772.94, 19,003.52 and 7,803.24 is: 10,766.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.94 : 19,003.52 = 7,803.24 : x
  2. Step 2: Convert to fraction form
    13,772.94/19,003.52 = 7,803.24/x
  3. Step 3: Cross multiply
    13,772.94x = 19,003.52 × 7,803.24
  4. Step 4: Simplify right side
    13,772.94x = 148,289,027.40
  5. Step 5: Solve for x
    x = 148,289,027.40/13,772.94
  6. Step 6: Final answer
    x = 10,766.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.