Home / 16,893.20-25,339.80-7,537.70

Finding the Fourth Proportional to 16,893.20, 25,339.80 and 7,537.70

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Solution

The fourth proportional to 16,893.20, 25,339.80 and 7,537.70 is: 11,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893.20 : 25,339.80 = 7,537.70 : x
  2. Step 2: Convert to fraction form
    16,893.20/25,339.80 = 7,537.70/x
  3. Step 3: Cross multiply
    16,893.20x = 25,339.80 × 7,537.70
  4. Step 4: Simplify right side
    16,893.20x = 191,003,810.46
  5. Step 5: Solve for x
    x = 191,003,810.46/16,893.20
  6. Step 6: Final answer
    x = 11,306.55

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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.