Home / 23,700.30-35,532.45-12,021.90

Finding the Fourth Proportional to 23,700.30, 35,532.45 and 12,021.90

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Solution

The fourth proportional to 23,700.30, 35,532.45 and 12,021.90 is: 18,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,700.30 : 35,532.45 = 12,021.90 : x
  2. Step 2: Convert to fraction form
    23,700.30/35,532.45 = 12,021.90/x
  3. Step 3: Cross multiply
    23,700.30x = 35,532.45 × 12,021.90
  4. Step 4: Simplify right side
    23,700.30x = 427,167,560.66
  5. Step 5: Solve for x
    x = 427,167,560.66/23,700.30
  6. Step 6: Final answer
    x = 18,023.72

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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.