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Finding the Fourth Proportional to 19,853, 27,397.26 and 10,900.60

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Solution

The fourth proportional to 19,853, 27,397.26 and 10,900.60 is: 15,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853 : 27,397.26 = 10,900.60 : x
  2. Step 2: Convert to fraction form
    19,853/27,397.26 = 10,900.60/x
  3. Step 3: Cross multiply
    19,853x = 27,397.26 × 10,900.60
  4. Step 4: Simplify right side
    19,853x = 298,646,572.36
  5. Step 5: Solve for x
    x = 298,646,572.36/19,853
  6. Step 6: Final answer
    x = 15,042.89

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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.