Home / 23,128.12-34,593.36-14,221.50

Finding the Fourth Proportional to 23,128.12, 34,593.36 and 14,221.50

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Solution

The fourth proportional to 23,128.12, 34,593.36 and 14,221.50 is: 21,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,128.12 : 34,593.36 = 14,221.50 : x
  2. Step 2: Convert to fraction form
    23,128.12/34,593.36 = 14,221.50/x
  3. Step 3: Cross multiply
    23,128.12x = 34,593.36 × 14,221.50
  4. Step 4: Simplify right side
    23,128.12x = 491,969,469.24
  5. Step 5: Solve for x
    x = 491,969,469.24/23,128.12
  6. Step 6: Final answer
    x = 21,271.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.