Home / 22,777.12-34,170-11,087.20

Finding the Fourth Proportional to 22,777.12, 34,170 and 11,087.20

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Solution

The fourth proportional to 22,777.12, 34,170 and 11,087.20 is: 16,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,777.12 : 34,170 = 11,087.20 : x
  2. Step 2: Convert to fraction form
    22,777.12/34,170 = 11,087.20/x
  3. Step 3: Cross multiply
    22,777.12x = 34,170 × 11,087.20
  4. Step 4: Simplify right side
    22,777.12x = 378,849,624
  5. Step 5: Solve for x
    x = 378,849,624/22,777.12
  6. Step 6: Final answer
    x = 16,632.90

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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.