Home / 13,822.54-19,077.37-8,158.66

Finding the Fourth Proportional to 13,822.54, 19,077.37 and 8,158.66

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Solution

The fourth proportional to 13,822.54, 19,077.37 and 8,158.66 is: 11,260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.54 : 19,077.37 = 8,158.66 : x
  2. Step 2: Convert to fraction form
    13,822.54/19,077.37 = 8,158.66/x
  3. Step 3: Cross multiply
    13,822.54x = 19,077.37 × 8,158.66
  4. Step 4: Simplify right side
    13,822.54x = 155,645,775.52
  5. Step 5: Solve for x
    x = 155,645,775.52/13,822.54
  6. Step 6: Final answer
    x = 11,260.29

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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.