Home / 34,196.36-47,192.20-19,855.12

Finding the Fourth Proportional to 34,196.36, 47,192.20 and 19,855.12

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Solution

The fourth proportional to 34,196.36, 47,192.20 and 19,855.12 is: 27,400.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,196.36 : 47,192.20 = 19,855.12 : x
  2. Step 2: Convert to fraction form
    34,196.36/47,192.20 = 19,855.12/x
  3. Step 3: Cross multiply
    34,196.36x = 47,192.20 × 19,855.12
  4. Step 4: Simplify right side
    34,196.36x = 937,006,794.06
  5. Step 5: Solve for x
    x = 937,006,794.06/34,196.36
  6. Step 6: Final answer
    x = 27,400.78

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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.