Home / 23,157.18-34,748.64-11,311.09

Finding the Fourth Proportional to 23,157.18, 34,748.64 and 11,311.09

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Solution

The fourth proportional to 23,157.18, 34,748.64 and 11,311.09 is: 16,972.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,157.18 : 34,748.64 = 11,311.09 : x
  2. Step 2: Convert to fraction form
    23,157.18/34,748.64 = 11,311.09/x
  3. Step 3: Cross multiply
    23,157.18x = 34,748.64 × 11,311.09
  4. Step 4: Simplify right side
    23,157.18x = 393,044,907.55
  5. Step 5: Solve for x
    x = 393,044,907.55/23,157.18
  6. Step 6: Final answer
    x = 16,972.92

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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.