Home / 19,948.26-27,528.44-10,995.78

Finding the Fourth Proportional to 19,948.26, 27,528.44 and 10,995.78

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Solution

The fourth proportional to 19,948.26, 27,528.44 and 10,995.78 is: 15,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.26 : 27,528.44 = 10,995.78 : x
  2. Step 2: Convert to fraction form
    19,948.26/27,528.44 = 10,995.78/x
  3. Step 3: Cross multiply
    19,948.26x = 27,528.44 × 10,995.78
  4. Step 4: Simplify right side
    19,948.26x = 302,696,669.98
  5. Step 5: Solve for x
    x = 302,696,669.98/19,948.26
  6. Step 6: Final answer
    x = 15,174.09

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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.