Home / 16,893.60-25,340.96-8,126.72

Finding the Fourth Proportional to 16,893.60, 25,340.96 and 8,126.72

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Solution

The fourth proportional to 16,893.60, 25,340.96 and 8,126.72 is: 12,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893.60 : 25,340.96 = 8,126.72 : x
  2. Step 2: Convert to fraction form
    16,893.60/25,340.96 = 8,126.72/x
  3. Step 3: Cross multiply
    16,893.60x = 25,340.96 × 8,126.72
  4. Step 4: Simplify right side
    16,893.60x = 205,938,886.45
  5. Step 5: Solve for x
    x = 205,938,886.45/16,893.60
  6. Step 6: Final answer
    x = 12,190.35

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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.