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Finding the Fourth Proportional to 14,592.40, 21,845.40 and 13,037.20

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Solution

The fourth proportional to 14,592.40, 21,845.40 and 13,037.20 is: 19,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,592.40 : 21,845.40 = 13,037.20 : x
  2. Step 2: Convert to fraction form
    14,592.40/21,845.40 = 13,037.20/x
  3. Step 3: Cross multiply
    14,592.40x = 21,845.40 × 13,037.20
  4. Step 4: Simplify right side
    14,592.40x = 284,802,848.88
  5. Step 5: Solve for x
    x = 284,802,848.88/14,592.40
  6. Step 6: Final answer
    x = 19,517.20

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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.