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Finding the Fourth Proportional to 19,496.80, 29,259.60 and 14,551.12

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Solution

The fourth proportional to 19,496.80, 29,259.60 and 14,551.12 is: 21,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,496.80 : 29,259.60 = 14,551.12 : x
  2. Step 2: Convert to fraction form
    19,496.80/29,259.60 = 14,551.12/x
  3. Step 3: Cross multiply
    19,496.80x = 29,259.60 × 14,551.12
  4. Step 4: Simplify right side
    19,496.80x = 425,759,950.75
  5. Step 5: Solve for x
    x = 425,759,950.75/19,496.80
  6. Step 6: Final answer
    x = 21,837.43

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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.