Home / 23,221.45-32,045.59-13,149.89

Finding the Fourth Proportional to 23,221.45, 32,045.59 and 13,149.89

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Solution

The fourth proportional to 23,221.45, 32,045.59 and 13,149.89 is: 18,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,221.45 : 32,045.59 = 13,149.89 : x
  2. Step 2: Convert to fraction form
    23,221.45/32,045.59 = 13,149.89/x
  3. Step 3: Cross multiply
    23,221.45x = 32,045.59 × 13,149.89
  4. Step 4: Simplify right side
    23,221.45x = 421,395,983.49
  5. Step 5: Solve for x
    x = 421,395,983.49/23,221.45
  6. Step 6: Final answer
    x = 18,146.84

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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.