Home / 19,114.20-28,671.30-18,336.60

Finding the Fourth Proportional to 19,114.20, 28,671.30 and 18,336.60

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Solution

The fourth proportional to 19,114.20, 28,671.30 and 18,336.60 is: 27,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.20 : 28,671.30 = 18,336.60 : x
  2. Step 2: Convert to fraction form
    19,114.20/28,671.30 = 18,336.60/x
  3. Step 3: Cross multiply
    19,114.20x = 28,671.30 × 18,336.60
  4. Step 4: Simplify right side
    19,114.20x = 525,734,159.58
  5. Step 5: Solve for x
    x = 525,734,159.58/19,114.20
  6. Step 6: Final answer
    x = 27,504.90

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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.