Home / 29,273.95-40,397.97-15,845.09

Finding the Fourth Proportional to 29,273.95, 40,397.97 and 15,845.09

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Solution

The fourth proportional to 29,273.95, 40,397.97 and 15,845.09 is: 21,866.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,273.95 : 40,397.97 = 15,845.09 : x
  2. Step 2: Convert to fraction form
    29,273.95/40,397.97 = 15,845.09/x
  3. Step 3: Cross multiply
    29,273.95x = 40,397.97 × 15,845.09
  4. Step 4: Simplify right side
    29,273.95x = 640,109,470.47
  5. Step 5: Solve for x
    x = 640,109,470.47/29,273.95
  6. Step 6: Final answer
    x = 21,866.18

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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.