Home / 19,894.93-27,455.34-10,942.36

Finding the Fourth Proportional to 19,894.93, 27,455.34 and 10,942.36

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Solution

The fourth proportional to 19,894.93, 27,455.34 and 10,942.36 is: 15,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.93 : 27,455.34 = 10,942.36 : x
  2. Step 2: Convert to fraction form
    19,894.93/27,455.34 = 10,942.36/x
  3. Step 3: Cross multiply
    19,894.93x = 27,455.34 × 10,942.36
  4. Step 4: Simplify right side
    19,894.93x = 300,426,125.05
  5. Step 5: Solve for x
    x = 300,426,125.05/19,894.93
  6. Step 6: Final answer
    x = 15,100.64

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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.