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Finding the Fourth Proportional to 14,417.66, 19,883.94 and 9,380.04

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Solution

The fourth proportional to 14,417.66, 19,883.94 and 9,380.04 is: 12,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.66 : 19,883.94 = 9,380.04 : x
  2. Step 2: Convert to fraction form
    14,417.66/19,883.94 = 9,380.04/x
  3. Step 3: Cross multiply
    14,417.66x = 19,883.94 × 9,380.04
  4. Step 4: Simplify right side
    14,417.66x = 186,512,152.56
  5. Step 5: Solve for x
    x = 186,512,152.56/14,417.66
  6. Step 6: Final answer
    x = 12,936.37

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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.