Home / 19,042.72-26,253.78-15,627.28

Finding the Fourth Proportional to 19,042.72, 26,253.78 and 15,627.28

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Solution

The fourth proportional to 19,042.72, 26,253.78 and 15,627.28 is: 21,544.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.72 : 26,253.78 = 15,627.28 : x
  2. Step 2: Convert to fraction form
    19,042.72/26,253.78 = 15,627.28/x
  3. Step 3: Cross multiply
    19,042.72x = 26,253.78 × 15,627.28
  4. Step 4: Simplify right side
    19,042.72x = 410,275,171.12
  5. Step 5: Solve for x
    x = 410,275,171.12/19,042.72
  6. Step 6: Final answer
    x = 21,544.99

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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.