Home / 14,739.66-20,340.54-8,025.21

Finding the Fourth Proportional to 14,739.66, 20,340.54 and 8,025.21

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Solution

The fourth proportional to 14,739.66, 20,340.54 and 8,025.21 is: 11,074.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.66 : 20,340.54 = 8,025.21 : x
  2. Step 2: Convert to fraction form
    14,739.66/20,340.54 = 8,025.21/x
  3. Step 3: Cross multiply
    14,739.66x = 20,340.54 × 8,025.21
  4. Step 4: Simplify right side
    14,739.66x = 163,237,105.01
  5. Step 5: Solve for x
    x = 163,237,105.01/14,739.66
  6. Step 6: Final answer
    x = 11,074.69

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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.