Home / 19,801.65-27,323.69-11,840.97

Finding the Fourth Proportional to 19,801.65, 27,323.69 and 11,840.97

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Solution

The fourth proportional to 19,801.65, 27,323.69 and 11,840.97 is: 16,338.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.65 : 27,323.69 = 11,840.97 : x
  2. Step 2: Convert to fraction form
    19,801.65/27,323.69 = 11,840.97/x
  3. Step 3: Cross multiply
    19,801.65x = 27,323.69 × 11,840.97
  4. Step 4: Simplify right side
    19,801.65x = 323,538,934.37
  5. Step 5: Solve for x
    x = 323,538,934.37/19,801.65
  6. Step 6: Final answer
    x = 16,338.99

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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.