Home / 14,189.99-21,287.26-4,328.44

Finding the Fourth Proportional to 14,189.99, 21,287.26 and 4,328.44

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Solution

The fourth proportional to 14,189.99, 21,287.26 and 4,328.44 is: 6,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.99 : 21,287.26 = 4,328.44 : x
  2. Step 2: Convert to fraction form
    14,189.99/21,287.26 = 4,328.44/x
  3. Step 3: Cross multiply
    14,189.99x = 21,287.26 × 4,328.44
  4. Step 4: Simplify right side
    14,189.99x = 92,140,555.52
  5. Step 5: Solve for x
    x = 92,140,555.52/14,189.99
  6. Step 6: Final answer
    x = 6,493.35

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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.