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Finding the Fourth Proportional to 18,237.53, 25,167.78 and 9,854.03

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Solution

The fourth proportional to 18,237.53, 25,167.78 and 9,854.03 is: 13,598.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.53 : 25,167.78 = 9,854.03 : x
  2. Step 2: Convert to fraction form
    18,237.53/25,167.78 = 9,854.03/x
  3. Step 3: Cross multiply
    18,237.53x = 25,167.78 × 9,854.03
  4. Step 4: Simplify right side
    18,237.53x = 248,004,122.07
  5. Step 5: Solve for x
    x = 248,004,122.07/18,237.53
  6. Step 6: Final answer
    x = 13,598.56

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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.