Home / 23,069.43-31,835.43-12,997.89

Finding the Fourth Proportional to 23,069.43, 31,835.43 and 12,997.89

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Solution

The fourth proportional to 23,069.43, 31,835.43 and 12,997.89 is: 17,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,069.43 : 31,835.43 = 12,997.89 : x
  2. Step 2: Convert to fraction form
    23,069.43/31,835.43 = 12,997.89/x
  3. Step 3: Cross multiply
    23,069.43x = 31,835.43 × 12,997.89
  4. Step 4: Simplify right side
    23,069.43x = 413,793,417.24
  5. Step 5: Solve for x
    x = 413,793,417.24/23,069.43
  6. Step 6: Final answer
    x = 17,936.87

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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.