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Finding the Fourth Proportional to 16,841, 23,240.58 and 9,389

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Solution

The fourth proportional to 16,841, 23,240.58 and 9,389 is: 12,956.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,841 : 23,240.58 = 9,389 : x
  2. Step 2: Convert to fraction form
    16,841/23,240.58 = 9,389/x
  3. Step 3: Cross multiply
    16,841x = 23,240.58 × 9,389
  4. Step 4: Simplify right side
    16,841x = 218,205,805.62
  5. Step 5: Solve for x
    x = 218,205,805.62/16,841
  6. Step 6: Final answer
    x = 12,956.82

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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.