Home / 14,429.63-19,913.19-7,969.23

Finding the Fourth Proportional to 14,429.63, 19,913.19 and 7,969.23

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Solution

The fourth proportional to 14,429.63, 19,913.19 and 7,969.23 is: 10,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.63 : 19,913.19 = 7,969.23 : x
  2. Step 2: Convert to fraction form
    14,429.63/19,913.19 = 7,969.23/x
  3. Step 3: Cross multiply
    14,429.63x = 19,913.19 × 7,969.23
  4. Step 4: Simplify right side
    14,429.63x = 158,692,791.14
  5. Step 5: Solve for x
    x = 158,692,791.14/14,429.63
  6. Step 6: Final answer
    x = 10,997.71

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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.