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Finding the Fourth Proportional to 19,341.89, 26,697.89 and 10,963.97

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Solution

The fourth proportional to 19,341.89, 26,697.89 and 10,963.97 is: 15,133.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.89 : 26,697.89 = 10,963.97 : x
  2. Step 2: Convert to fraction form
    19,341.89/26,697.89 = 10,963.97/x
  3. Step 3: Cross multiply
    19,341.89x = 26,697.89 × 10,963.97
  4. Step 4: Simplify right side
    19,341.89x = 292,714,865.02
  5. Step 5: Solve for x
    x = 292,714,865.02/19,341.89
  6. Step 6: Final answer
    x = 15,133.73

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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.