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Finding the Fourth Proportional to 16,955.25, 23,398.25 and 10,331.25

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Solution

The fourth proportional to 16,955.25, 23,398.25 and 10,331.25 is: 14,257.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,955.25 : 23,398.25 = 10,331.25 : x
  2. Step 2: Convert to fraction form
    16,955.25/23,398.25 = 10,331.25/x
  3. Step 3: Cross multiply
    16,955.25x = 23,398.25 × 10,331.25
  4. Step 4: Simplify right side
    16,955.25x = 241,733,118.66
  5. Step 5: Solve for x
    x = 241,733,118.66/16,955.25
  6. Step 6: Final answer
    x = 14,257.13

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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.