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Finding the Fourth Proportional to 14,855.56, 20,506.98 and 9,822.04

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Solution

The fourth proportional to 14,855.56, 20,506.98 and 9,822.04 is: 13,558.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,855.56 : 20,506.98 = 9,822.04 : x
  2. Step 2: Convert to fraction form
    14,855.56/20,506.98 = 9,822.04/x
  3. Step 3: Cross multiply
    14,855.56x = 20,506.98 × 9,822.04
  4. Step 4: Simplify right side
    14,855.56x = 201,420,377.84
  5. Step 5: Solve for x
    x = 201,420,377.84/14,855.56
  6. Step 6: Final answer
    x = 13,558.59

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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.