Home / 23,195.63-31,988.85-19,618.09

Finding the Fourth Proportional to 23,195.63, 31,988.85 and 19,618.09

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Solution

The fourth proportional to 23,195.63, 31,988.85 and 19,618.09 is: 27,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,195.63 : 31,988.85 = 19,618.09 : x
  2. Step 2: Convert to fraction form
    23,195.63/31,988.85 = 19,618.09/x
  3. Step 3: Cross multiply
    23,195.63x = 31,988.85 × 19,618.09
  4. Step 4: Simplify right side
    23,195.63x = 627,560,138.30
  5. Step 5: Solve for x
    x = 627,560,138.30/23,195.63
  6. Step 6: Final answer
    x = 27,055.10

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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.