Home / 14,222.13-21,335.22-7,556.89

Finding the Fourth Proportional to 14,222.13, 21,335.22 and 7,556.89

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Solution

The fourth proportional to 14,222.13, 21,335.22 and 7,556.89 is: 11,336.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.13 : 21,335.22 = 7,556.89 : x
  2. Step 2: Convert to fraction form
    14,222.13/21,335.22 = 7,556.89/x
  3. Step 3: Cross multiply
    14,222.13x = 21,335.22 × 7,556.89
  4. Step 4: Simplify right side
    14,222.13x = 161,227,910.67
  5. Step 5: Solve for x
    x = 161,227,910.67/14,222.13
  6. Step 6: Final answer
    x = 11,336.41

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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.