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Finding the Fourth Proportional to 18,086.51, 24,961.02 and 10,020.94

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Solution

The fourth proportional to 18,086.51, 24,961.02 and 10,020.94 is: 13,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086.51 : 24,961.02 = 10,020.94 : x
  2. Step 2: Convert to fraction form
    18,086.51/24,961.02 = 10,020.94/x
  3. Step 3: Cross multiply
    18,086.51x = 24,961.02 × 10,020.94
  4. Step 4: Simplify right side
    18,086.51x = 250,132,883.76
  5. Step 5: Solve for x
    x = 250,132,883.76/18,086.51
  6. Step 6: Final answer
    x = 13,829.80

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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.