Home / 23,115.21-31,898.96-12,504.83

Finding the Fourth Proportional to 23,115.21, 31,898.96 and 12,504.83

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Solution

The fourth proportional to 23,115.21, 31,898.96 and 12,504.83 is: 17,256.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.21 : 31,898.96 = 12,504.83 : x
  2. Step 2: Convert to fraction form
    23,115.21/31,898.96 = 12,504.83/x
  3. Step 3: Cross multiply
    23,115.21x = 31,898.96 × 12,504.83
  4. Step 4: Simplify right side
    23,115.21x = 398,890,849.96
  5. Step 5: Solve for x
    x = 398,890,849.96/23,115.21
  6. Step 6: Final answer
    x = 17,256.64

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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.