Home / 22,100.10-30,497.21-12,028.56

Finding the Fourth Proportional to 22,100.10, 30,497.21 and 12,028.56

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Solution

The fourth proportional to 22,100.10, 30,497.21 and 12,028.56 is: 16,598.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,100.10 : 30,497.21 = 12,028.56 : x
  2. Step 2: Convert to fraction form
    22,100.10/30,497.21 = 12,028.56/x
  3. Step 3: Cross multiply
    22,100.10x = 30,497.21 × 12,028.56
  4. Step 4: Simplify right side
    22,100.10x = 366,837,566.49
  5. Step 5: Solve for x
    x = 366,837,566.49/22,100.10
  6. Step 6: Final answer
    x = 16,598.91

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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.