Home / 21,922.83-30,189.87-19,050.30

Finding the Fourth Proportional to 21,922.83, 30,189.87 and 19,050.30

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Solution

The fourth proportional to 21,922.83, 30,189.87 and 19,050.30 is: 26,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,922.83 : 30,189.87 = 19,050.30 : x
  2. Step 2: Convert to fraction form
    21,922.83/30,189.87 = 19,050.30/x
  3. Step 3: Cross multiply
    21,922.83x = 30,189.87 × 19,050.30
  4. Step 4: Simplify right side
    21,922.83x = 575,126,080.46
  5. Step 5: Solve for x
    x = 575,126,080.46/21,922.83
  6. Step 6: Final answer
    x = 26,234.12

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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.