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Finding the Fourth Proportional to 18,496.64, 25,527.12 and 10,114.40

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Solution

The fourth proportional to 18,496.64, 25,527.12 and 10,114.40 is: 13,958.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496.64 : 25,527.12 = 10,114.40 : x
  2. Step 2: Convert to fraction form
    18,496.64/25,527.12 = 10,114.40/x
  3. Step 3: Cross multiply
    18,496.64x = 25,527.12 × 10,114.40
  4. Step 4: Simplify right side
    18,496.64x = 258,191,502.53
  5. Step 5: Solve for x
    x = 258,191,502.53/18,496.64
  6. Step 6: Final answer
    x = 13,958.83

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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.