Home / 19,033.02-28,533.12-9,179.21

Finding the Fourth Proportional to 19,033.02, 28,533.12 and 9,179.21

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Solution

The fourth proportional to 19,033.02, 28,533.12 and 9,179.21 is: 13,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,033.02 : 28,533.12 = 9,179.21 : x
  2. Step 2: Convert to fraction form
    19,033.02/28,533.12 = 9,179.21/x
  3. Step 3: Cross multiply
    19,033.02x = 28,533.12 × 9,179.21
  4. Step 4: Simplify right side
    19,033.02x = 261,911,571.77
  5. Step 5: Solve for x
    x = 261,911,571.77/19,033.02
  6. Step 6: Final answer
    x = 13,760.90

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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.