Home / 23,069.21-31,835.63-12,997.85

Finding the Fourth Proportional to 23,069.21, 31,835.63 and 12,997.85

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Solution

The fourth proportional to 23,069.21, 31,835.63 and 12,997.85 is: 17,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,069.21 : 31,835.63 = 12,997.85 : x
  2. Step 2: Convert to fraction form
    23,069.21/31,835.63 = 12,997.85/x
  3. Step 3: Cross multiply
    23,069.21x = 31,835.63 × 12,997.85
  4. Step 4: Simplify right side
    23,069.21x = 413,794,616.71
  5. Step 5: Solve for x
    x = 413,794,616.71/23,069.21
  6. Step 6: Final answer
    x = 17,937.10

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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.