Home / 14,328.09-21,489.66-3,798.18

Finding the Fourth Proportional to 14,328.09, 21,489.66 and 3,798.18

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Solution

The fourth proportional to 14,328.09, 21,489.66 and 3,798.18 is: 5,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.09 : 21,489.66 = 3,798.18 : x
  2. Step 2: Convert to fraction form
    14,328.09/21,489.66 = 3,798.18/x
  3. Step 3: Cross multiply
    14,328.09x = 21,489.66 × 3,798.18
  4. Step 4: Simplify right side
    14,328.09x = 81,621,596.82
  5. Step 5: Solve for x
    x = 81,621,596.82/14,328.09
  6. Step 6: Final answer
    x = 5,696.61

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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.