Home / 22,070.95-30,458.25-11,999.43

Finding the Fourth Proportional to 22,070.95, 30,458.25 and 11,999.43

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Solution

The fourth proportional to 22,070.95, 30,458.25 and 11,999.43 is: 16,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,070.95 : 30,458.25 = 11,999.43 : x
  2. Step 2: Convert to fraction form
    22,070.95/30,458.25 = 11,999.43/x
  3. Step 3: Cross multiply
    22,070.95x = 30,458.25 × 11,999.43
  4. Step 4: Simplify right side
    22,070.95x = 365,481,638.80
  5. Step 5: Solve for x
    x = 365,481,638.80/22,070.95
  6. Step 6: Final answer
    x = 16,559.40

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Similar ratio
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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.