Home / 12,908.04-19,369.44-10,743

Finding the Fourth Proportional to 12,908.04, 19,369.44 and 10,743

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Solution

The fourth proportional to 12,908.04, 19,369.44 and 10,743 is: 16,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908.04 : 19,369.44 = 10,743 : x
  2. Step 2: Convert to fraction form
    12,908.04/19,369.44 = 10,743/x
  3. Step 3: Cross multiply
    12,908.04x = 19,369.44 × 10,743
  4. Step 4: Simplify right side
    12,908.04x = 208,085,893.92
  5. Step 5: Solve for x
    x = 208,085,893.92/12,908.04
  6. Step 6: Final answer
    x = 16,120.64

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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.