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Finding the Fourth Proportional to 18,842.94, 26,002.41 and 11,293.47

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Solution

The fourth proportional to 18,842.94, 26,002.41 and 11,293.47 is: 15,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.94 : 26,002.41 = 11,293.47 : x
  2. Step 2: Convert to fraction form
    18,842.94/26,002.41 = 11,293.47/x
  3. Step 3: Cross multiply
    18,842.94x = 26,002.41 × 11,293.47
  4. Step 4: Simplify right side
    18,842.94x = 293,657,437.26
  5. Step 5: Solve for x
    x = 293,657,437.26/18,842.94
  6. Step 6: Final answer
    x = 15,584.48

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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.