Home / 14,739.70-20,340.28-8,025.22

Finding the Fourth Proportional to 14,739.70, 20,340.28 and 8,025.22

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Solution

The fourth proportional to 14,739.70, 20,340.28 and 8,025.22 is: 11,074.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.70 : 20,340.28 = 8,025.22 : x
  2. Step 2: Convert to fraction form
    14,739.70/20,340.28 = 8,025.22/x
  3. Step 3: Cross multiply
    14,739.70x = 20,340.28 × 8,025.22
  4. Step 4: Simplify right side
    14,739.70x = 163,235,221.86
  5. Step 5: Solve for x
    x = 163,235,221.86/14,739.70
  6. Step 6: Final answer
    x = 11,074.53

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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.