Home / 19,205.40-28,803.30-7,356.60

Finding the Fourth Proportional to 19,205.40, 28,803.30 and 7,356.60

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Solution

The fourth proportional to 19,205.40, 28,803.30 and 7,356.60 is: 11,033.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.40 : 28,803.30 = 7,356.60 : x
  2. Step 2: Convert to fraction form
    19,205.40/28,803.30 = 7,356.60/x
  3. Step 3: Cross multiply
    19,205.40x = 28,803.30 × 7,356.60
  4. Step 4: Simplify right side
    19,205.40x = 211,894,356.78
  5. Step 5: Solve for x
    x = 211,894,356.78/19,205.40
  6. Step 6: Final answer
    x = 11,033.06

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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.