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Finding the Fourth Proportional to 16,894.90, 25,326.68 and 8,014.40

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Solution

The fourth proportional to 16,894.90, 25,326.68 and 8,014.40 is: 12,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,894.90 : 25,326.68 = 8,014.40 : x
  2. Step 2: Convert to fraction form
    16,894.90/25,326.68 = 8,014.40/x
  3. Step 3: Cross multiply
    16,894.90x = 25,326.68 × 8,014.40
  4. Step 4: Simplify right side
    16,894.90x = 202,978,090.27
  5. Step 5: Solve for x
    x = 202,978,090.27/16,894.90
  6. Step 6: Final answer
    x = 12,014.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.