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Finding the Fourth Proportional to 18,195.16, 25,109.03 and 10,237.38

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Solution

The fourth proportional to 18,195.16, 25,109.03 and 10,237.38 is: 14,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.16 : 25,109.03 = 10,237.38 : x
  2. Step 2: Convert to fraction form
    18,195.16/25,109.03 = 10,237.38/x
  3. Step 3: Cross multiply
    18,195.16x = 25,109.03 × 10,237.38
  4. Step 4: Simplify right side
    18,195.16x = 257,050,681.54
  5. Step 5: Solve for x
    x = 257,050,681.54/18,195.16
  6. Step 6: Final answer
    x = 14,127.42

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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.