Home / 23,170.50-31,977.45-13,234.50

Finding the Fourth Proportional to 23,170.50, 31,977.45 and 13,234.50

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Solution

The fourth proportional to 23,170.50, 31,977.45 and 13,234.50 is: 18,264.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.50 : 31,977.45 = 13,234.50 : x
  2. Step 2: Convert to fraction form
    23,170.50/31,977.45 = 13,234.50/x
  3. Step 3: Cross multiply
    23,170.50x = 31,977.45 × 13,234.50
  4. Step 4: Simplify right side
    23,170.50x = 423,205,562.03
  5. Step 5: Solve for x
    x = 423,205,562.03/23,170.50
  6. Step 6: Final answer
    x = 18,264.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.