Home / 23,321.58-34,951.11-12,775.65

Finding the Fourth Proportional to 23,321.58, 34,951.11 and 12,775.65

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Solution

The fourth proportional to 23,321.58, 34,951.11 and 12,775.65 is: 19,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,321.58 : 34,951.11 = 12,775.65 : x
  2. Step 2: Convert to fraction form
    23,321.58/34,951.11 = 12,775.65/x
  3. Step 3: Cross multiply
    23,321.58x = 34,951.11 × 12,775.65
  4. Step 4: Simplify right side
    23,321.58x = 446,523,148.47
  5. Step 5: Solve for x
    x = 446,523,148.47/23,321.58
  6. Step 6: Final answer
    x = 19,146.35

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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.