Home / 22,190.11-30,625.35-14,124.57

Finding the Fourth Proportional to 22,190.11, 30,625.35 and 14,124.57

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Solution

The fourth proportional to 22,190.11, 30,625.35 and 14,124.57 is: 19,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190.11 : 30,625.35 = 14,124.57 : x
  2. Step 2: Convert to fraction form
    22,190.11/30,625.35 = 14,124.57/x
  3. Step 3: Cross multiply
    22,190.11x = 30,625.35 × 14,124.57
  4. Step 4: Simplify right side
    22,190.11x = 432,569,899.85
  5. Step 5: Solve for x
    x = 432,569,899.85/22,190.11
  6. Step 6: Final answer
    x = 19,493.82

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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.