Home / 22,222.75-30,666.14-12,149.32

Finding the Fourth Proportional to 22,222.75, 30,666.14 and 12,149.32

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Solution

The fourth proportional to 22,222.75, 30,666.14 and 12,149.32 is: 16,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.75 : 30,666.14 = 12,149.32 : x
  2. Step 2: Convert to fraction form
    22,222.75/30,666.14 = 12,149.32/x
  3. Step 3: Cross multiply
    22,222.75x = 30,666.14 × 12,149.32
  4. Step 4: Simplify right side
    22,222.75x = 372,572,533.95
  5. Step 5: Solve for x
    x = 372,572,533.95/22,222.75
  6. Step 6: Final answer
    x = 16,765.37

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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.