Home / 21,624.44-29,840.82-12,193.88

Finding the Fourth Proportional to 21,624.44, 29,840.82 and 12,193.88

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Solution

The fourth proportional to 21,624.44, 29,840.82 and 12,193.88 is: 16,827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.44 : 29,840.82 = 12,193.88 : x
  2. Step 2: Convert to fraction form
    21,624.44/29,840.82 = 12,193.88/x
  3. Step 3: Cross multiply
    21,624.44x = 29,840.82 × 12,193.88
  4. Step 4: Simplify right side
    21,624.44x = 363,875,378.18
  5. Step 5: Solve for x
    x = 363,875,378.18/21,624.44
  6. Step 6: Final answer
    x = 16,827.04

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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.