Home / 23,028.63-31,777.25-12,956.85

Finding the Fourth Proportional to 23,028.63, 31,777.25 and 12,956.85

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Solution

The fourth proportional to 23,028.63, 31,777.25 and 12,956.85 is: 17,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,028.63 : 31,777.25 = 12,956.85 : x
  2. Step 2: Convert to fraction form
    23,028.63/31,777.25 = 12,956.85/x
  3. Step 3: Cross multiply
    23,028.63x = 31,777.25 × 12,956.85
  4. Step 4: Simplify right side
    23,028.63x = 411,733,094.05
  5. Step 5: Solve for x
    x = 411,733,094.05/23,028.63
  6. Step 6: Final answer
    x = 17,879.18

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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.