Home / 19,852.71-27,396.77-11,469.21

Finding the Fourth Proportional to 19,852.71, 27,396.77 and 11,469.21

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Solution

The fourth proportional to 19,852.71, 27,396.77 and 11,469.21 is: 15,827.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852.71 : 27,396.77 = 11,469.21 : x
  2. Step 2: Convert to fraction form
    19,852.71/27,396.77 = 11,469.21/x
  3. Step 3: Cross multiply
    19,852.71x = 27,396.77 × 11,469.21
  4. Step 4: Simplify right side
    19,852.71x = 314,219,308.45
  5. Step 5: Solve for x
    x = 314,219,308.45/19,852.71
  6. Step 6: Final answer
    x = 15,827.53

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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.