Home / 14,957.52-20,629.26-13,161.12

Finding the Fourth Proportional to 14,957.52, 20,629.26 and 13,161.12

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Solution

The fourth proportional to 14,957.52, 20,629.26 and 13,161.12 is: 18,151.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,957.52 : 20,629.26 = 13,161.12 : x
  2. Step 2: Convert to fraction form
    14,957.52/20,629.26 = 13,161.12/x
  3. Step 3: Cross multiply
    14,957.52x = 20,629.26 × 13,161.12
  4. Step 4: Simplify right side
    14,957.52x = 271,504,166.37
  5. Step 5: Solve for x
    x = 271,504,166.37/14,957.52
  6. Step 6: Final answer
    x = 18,151.68

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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.