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Finding the Fourth Proportional to 14,496.60, 21,744.90 and 13,265.40

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Solution

The fourth proportional to 14,496.60, 21,744.90 and 13,265.40 is: 19,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,496.60 : 21,744.90 = 13,265.40 : x
  2. Step 2: Convert to fraction form
    14,496.60/21,744.90 = 13,265.40/x
  3. Step 3: Cross multiply
    14,496.60x = 21,744.90 × 13,265.40
  4. Step 4: Simplify right side
    14,496.60x = 288,454,796.46
  5. Step 5: Solve for x
    x = 288,454,796.46/14,496.60
  6. Step 6: Final answer
    x = 19,898.10

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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.