Home / 23,221.48-32,045.32-13,149.80

Finding the Fourth Proportional to 23,221.48, 32,045.32 and 13,149.80

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Solution

The fourth proportional to 23,221.48, 32,045.32 and 13,149.80 is: 18,146.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,221.48 : 32,045.32 = 13,149.80 : x
  2. Step 2: Convert to fraction form
    23,221.48/32,045.32 = 13,149.80/x
  3. Step 3: Cross multiply
    23,221.48x = 32,045.32 × 13,149.80
  4. Step 4: Simplify right side
    23,221.48x = 421,389,548.94
  5. Step 5: Solve for x
    x = 421,389,548.94/23,221.48
  6. Step 6: Final answer
    x = 18,146.54

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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.