Home / 23,140.88-34,704.14-8,347.87

Finding the Fourth Proportional to 23,140.88, 34,704.14 and 8,347.87

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Solution

The fourth proportional to 23,140.88, 34,704.14 and 8,347.87 is: 12,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.88 : 34,704.14 = 8,347.87 : x
  2. Step 2: Convert to fraction form
    23,140.88/34,704.14 = 8,347.87/x
  3. Step 3: Cross multiply
    23,140.88x = 34,704.14 × 8,347.87
  4. Step 4: Simplify right side
    23,140.88x = 289,705,562.42
  5. Step 5: Solve for x
    x = 289,705,562.42/23,140.88
  6. Step 6: Final answer
    x = 12,519.21

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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.