Home / 16,729.20-25,093.80-5,638.68

Finding the Fourth Proportional to 16,729.20, 25,093.80 and 5,638.68

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Solution

The fourth proportional to 16,729.20, 25,093.80 and 5,638.68 is: 8,458.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,729.20 : 25,093.80 = 5,638.68 : x
  2. Step 2: Convert to fraction form
    16,729.20/25,093.80 = 5,638.68/x
  3. Step 3: Cross multiply
    16,729.20x = 25,093.80 × 5,638.68
  4. Step 4: Simplify right side
    16,729.20x = 141,495,908.18
  5. Step 5: Solve for x
    x = 141,495,908.18/16,729.20
  6. Step 6: Final answer
    x = 8,458.02

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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.