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Finding the Fourth Proportional to 16,958.19, 23,402.30 and 9,506.19

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Solution

The fourth proportional to 16,958.19, 23,402.30 and 9,506.19 is: 13,118.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,958.19 : 23,402.30 = 9,506.19 : x
  2. Step 2: Convert to fraction form
    16,958.19/23,402.30 = 9,506.19/x
  3. Step 3: Cross multiply
    16,958.19x = 23,402.30 × 9,506.19
  4. Step 4: Simplify right side
    16,958.19x = 222,466,710.24
  5. Step 5: Solve for x
    x = 222,466,710.24/16,958.19
  6. Step 6: Final answer
    x = 13,118.54

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Half scale
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Double scale
Find fourth proportional to 16,959.19, 23,403.68 and 9,507.19
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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.