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Finding the Fourth Proportional to 18,314.76, 25,261.02 and 11,601.48

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Solution

The fourth proportional to 18,314.76, 25,261.02 and 11,601.48 is: 16,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314.76 : 25,261.02 = 11,601.48 : x
  2. Step 2: Convert to fraction form
    18,314.76/25,261.02 = 11,601.48/x
  3. Step 3: Cross multiply
    18,314.76x = 25,261.02 × 11,601.48
  4. Step 4: Simplify right side
    18,314.76x = 293,065,218.31
  5. Step 5: Solve for x
    x = 293,065,218.31/18,314.76
  6. Step 6: Final answer
    x = 16,001.59

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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.