Home / 14,651.08-20,221.34-11,458.04

Finding the Fourth Proportional to 14,651.08, 20,221.34 and 11,458.04

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Solution

The fourth proportional to 14,651.08, 20,221.34 and 11,458.04 is: 15,814.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.08 : 20,221.34 = 11,458.04 : x
  2. Step 2: Convert to fraction form
    14,651.08/20,221.34 = 11,458.04/x
  3. Step 3: Cross multiply
    14,651.08x = 20,221.34 × 11,458.04
  4. Step 4: Simplify right side
    14,651.08x = 231,696,922.57
  5. Step 5: Solve for x
    x = 231,696,922.57/14,651.08
  6. Step 6: Final answer
    x = 15,814.32

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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.