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Finding the Fourth Proportional to 18,510.68, 25,544.94 and 10,127

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Solution

The fourth proportional to 18,510.68, 25,544.94 and 10,127 is: 13,975.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.68 : 25,544.94 = 10,127 : x
  2. Step 2: Convert to fraction form
    18,510.68/25,544.94 = 10,127/x
  3. Step 3: Cross multiply
    18,510.68x = 25,544.94 × 10,127
  4. Step 4: Simplify right side
    18,510.68x = 258,693,607.38
  5. Step 5: Solve for x
    x = 258,693,607.38/18,510.68
  6. Step 6: Final answer
    x = 13,975.37

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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.