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Finding the Fourth Proportional to 18,114.68, 24,969.36 and 14,280.06

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Solution

The fourth proportional to 18,114.68, 24,969.36 and 14,280.06 is: 19,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.68 : 24,969.36 = 14,280.06 : x
  2. Step 2: Convert to fraction form
    18,114.68/24,969.36 = 14,280.06/x
  3. Step 3: Cross multiply
    18,114.68x = 24,969.36 × 14,280.06
  4. Step 4: Simplify right side
    18,114.68x = 356,563,958.96
  5. Step 5: Solve for x
    x = 356,563,958.96/18,114.68
  6. Step 6: Final answer
    x = 19,683.71

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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.