Home / 19,786.18-27,304.23-11,823.70

Finding the Fourth Proportional to 19,786.18, 27,304.23 and 11,823.70

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Solution

The fourth proportional to 19,786.18, 27,304.23 and 11,823.70 is: 16,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.18 : 27,304.23 = 11,823.70 : x
  2. Step 2: Convert to fraction form
    19,786.18/27,304.23 = 11,823.70/x
  3. Step 3: Cross multiply
    19,786.18x = 27,304.23 × 11,823.70
  4. Step 4: Simplify right side
    19,786.18x = 322,837,024.25
  5. Step 5: Solve for x
    x = 322,837,024.25/19,786.18
  6. Step 6: Final answer
    x = 16,316.29

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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.