Home / 19,772.57-27,283.46-11,813.11

Finding the Fourth Proportional to 19,772.57, 27,283.46 and 11,813.11

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Solution

The fourth proportional to 19,772.57, 27,283.46 and 11,813.11 is: 16,300.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.57 : 27,283.46 = 11,813.11 : x
  2. Step 2: Convert to fraction form
    19,772.57/27,283.46 = 11,813.11/x
  3. Step 3: Cross multiply
    19,772.57x = 27,283.46 × 11,813.11
  4. Step 4: Simplify right side
    19,772.57x = 322,302,514.16
  5. Step 5: Solve for x
    x = 322,302,514.16/19,772.57
  6. Step 6: Final answer
    x = 16,300.49

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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.