Home / 28,273.97-42,425.54-11,646.29

Finding the Fourth Proportional to 28,273.97, 42,425.54 and 11,646.29

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Solution

The fourth proportional to 28,273.97, 42,425.54 and 11,646.29 is: 17,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,273.97 : 42,425.54 = 11,646.29 : x
  2. Step 2: Convert to fraction form
    28,273.97/42,425.54 = 11,646.29/x
  3. Step 3: Cross multiply
    28,273.97x = 42,425.54 × 11,646.29
  4. Step 4: Simplify right side
    28,273.97x = 494,100,084.02
  5. Step 5: Solve for x
    x = 494,100,084.02/28,273.97
  6. Step 6: Final answer
    x = 17,475.44

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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.