Home / 14,634.99-20,190.06-9,328.68

Finding the Fourth Proportional to 14,634.99, 20,190.06 and 9,328.68

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Solution

The fourth proportional to 14,634.99, 20,190.06 and 9,328.68 is: 12,869.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.99 : 20,190.06 = 9,328.68 : x
  2. Step 2: Convert to fraction form
    14,634.99/20,190.06 = 9,328.68/x
  3. Step 3: Cross multiply
    14,634.99x = 20,190.06 × 9,328.68
  4. Step 4: Simplify right side
    14,634.99x = 188,346,608.92
  5. Step 5: Solve for x
    x = 188,346,608.92/14,634.99
  6. Step 6: Final answer
    x = 12,869.61

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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.