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Finding the Fourth Proportional to 16,640.40, 24,887.16 and 14,804.40

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Solution

The fourth proportional to 16,640.40, 24,887.16 and 14,804.40 is: 22,141.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,640.40 : 24,887.16 = 14,804.40 : x
  2. Step 2: Convert to fraction form
    16,640.40/24,887.16 = 14,804.40/x
  3. Step 3: Cross multiply
    16,640.40x = 24,887.16 × 14,804.40
  4. Step 4: Simplify right side
    16,640.40x = 368,439,471.50
  5. Step 5: Solve for x
    x = 368,439,471.50/16,640.40
  6. Step 6: Final answer
    x = 22,141.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.