Home / 23,221.08-32,045.76-13,149.30

Finding the Fourth Proportional to 23,221.08, 32,045.76 and 13,149.30

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Solution

The fourth proportional to 23,221.08, 32,045.76 and 13,149.30 is: 18,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,221.08 : 32,045.76 = 13,149.30 : x
  2. Step 2: Convert to fraction form
    23,221.08/32,045.76 = 13,149.30/x
  3. Step 3: Cross multiply
    23,221.08x = 32,045.76 × 13,149.30
  4. Step 4: Simplify right side
    23,221.08x = 421,379,311.97
  5. Step 5: Solve for x
    x = 421,379,311.97/23,221.08
  6. Step 6: Final answer
    x = 18,146.41

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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.