Home / 22,166.90-30,590.30-14,209.12

Finding the Fourth Proportional to 22,166.90, 30,590.30 and 14,209.12

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Solution

The fourth proportional to 22,166.90, 30,590.30 and 14,209.12 is: 19,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,166.90 : 30,590.30 = 14,209.12 : x
  2. Step 2: Convert to fraction form
    22,166.90/30,590.30 = 14,209.12/x
  3. Step 3: Cross multiply
    22,166.90x = 30,590.30 × 14,209.12
  4. Step 4: Simplify right side
    22,166.90x = 434,661,090.58
  5. Step 5: Solve for x
    x = 434,661,090.58/22,166.90
  6. Step 6: Final answer
    x = 19,608.57

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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.