Home / 21,827.30-32,763.86-19,344.38

Finding the Fourth Proportional to 21,827.30, 32,763.86 and 19,344.38

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Solution

The fourth proportional to 21,827.30, 32,763.86 and 19,344.38 is: 29,036.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827.30 : 32,763.86 = 19,344.38 : x
  2. Step 2: Convert to fraction form
    21,827.30/32,763.86 = 19,344.38/x
  3. Step 3: Cross multiply
    21,827.30x = 32,763.86 × 19,344.38
  4. Step 4: Simplify right side
    21,827.30x = 633,796,433.95
  5. Step 5: Solve for x
    x = 633,796,433.95/21,827.30
  6. Step 6: Final answer
    x = 29,036.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.