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Finding the Fourth Proportional to 18,237.64, 25,167.94 and 9,854.14

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Solution

The fourth proportional to 18,237.64, 25,167.94 and 9,854.14 is: 13,598.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.64 : 25,167.94 = 9,854.14 : x
  2. Step 2: Convert to fraction form
    18,237.64/25,167.94 = 9,854.14/x
  3. Step 3: Cross multiply
    18,237.64x = 25,167.94 × 9,854.14
  4. Step 4: Simplify right side
    18,237.64x = 248,008,419.34
  5. Step 5: Solve for x
    x = 248,008,419.34/18,237.64
  6. Step 6: Final answer
    x = 13,598.71

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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.