Home / 23,161.08-31,962.08-12,550.80

Finding the Fourth Proportional to 23,161.08, 31,962.08 and 12,550.80

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Solution

The fourth proportional to 23,161.08, 31,962.08 and 12,550.80 is: 17,319.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,161.08 : 31,962.08 = 12,550.80 : x
  2. Step 2: Convert to fraction form
    23,161.08/31,962.08 = 12,550.80/x
  3. Step 3: Cross multiply
    23,161.08x = 31,962.08 × 12,550.80
  4. Step 4: Simplify right side
    23,161.08x = 401,149,673.66
  5. Step 5: Solve for x
    x = 401,149,673.66/23,161.08
  6. Step 6: Final answer
    x = 17,319.99

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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.