Home / 19,182.31-26,466-11,115.43

Finding the Fourth Proportional to 19,182.31, 26,466 and 11,115.43

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Solution

The fourth proportional to 19,182.31, 26,466 and 11,115.43 is: 15,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182.31 : 26,466 = 11,115.43 : x
  2. Step 2: Convert to fraction form
    19,182.31/26,466 = 11,115.43/x
  3. Step 3: Cross multiply
    19,182.31x = 26,466 × 11,115.43
  4. Step 4: Simplify right side
    19,182.31x = 294,180,970.38
  5. Step 5: Solve for x
    x = 294,180,970.38/19,182.31
  6. Step 6: Final answer
    x = 15,336.06

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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.