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Finding the Fourth Proportional to 19,394.99, 26,763.71 and 10,896.68

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Solution

The fourth proportional to 19,394.99, 26,763.71 and 10,896.68 is: 15,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,394.99 : 26,763.71 = 10,896.68 : x
  2. Step 2: Convert to fraction form
    19,394.99/26,763.71 = 10,896.68/x
  3. Step 3: Cross multiply
    19,394.99x = 26,763.71 × 10,896.68
  4. Step 4: Simplify right side
    19,394.99x = 291,635,395.18
  5. Step 5: Solve for x
    x = 291,635,395.18/19,394.99
  6. Step 6: Final answer
    x = 15,036.64

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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.