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Finding the Fourth Proportional to 14,487.84, 21,732.24 and 10,551.12

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Solution

The fourth proportional to 14,487.84, 21,732.24 and 10,551.12 is: 15,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.84 : 21,732.24 = 10,551.12 : x
  2. Step 2: Convert to fraction form
    14,487.84/21,732.24 = 10,551.12/x
  3. Step 3: Cross multiply
    14,487.84x = 21,732.24 × 10,551.12
  4. Step 4: Simplify right side
    14,487.84x = 229,299,472.11
  5. Step 5: Solve for x
    x = 229,299,472.11/14,487.84
  6. Step 6: Final answer
    x = 15,827.03

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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.