Home / 22,180.98-30,603.12-14,209.32

Finding the Fourth Proportional to 22,180.98, 30,603.12 and 14,209.32

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Solution

The fourth proportional to 22,180.98, 30,603.12 and 14,209.32 is: 19,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180.98 : 30,603.12 = 14,209.32 : x
  2. Step 2: Convert to fraction form
    22,180.98/30,603.12 = 14,209.32/x
  3. Step 3: Cross multiply
    22,180.98x = 30,603.12 × 14,209.32
  4. Step 4: Simplify right side
    22,180.98x = 434,849,525.08
  5. Step 5: Solve for x
    x = 434,849,525.08/22,180.98
  6. Step 6: Final answer
    x = 19,604.61

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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.