Home / 13,482.44-18,623.94-12,224.92

Finding the Fourth Proportional to 13,482.44, 18,623.94 and 12,224.92

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Solution

The fourth proportional to 13,482.44, 18,623.94 and 12,224.92 is: 16,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.44 : 18,623.94 = 12,224.92 : x
  2. Step 2: Convert to fraction form
    13,482.44/18,623.94 = 12,224.92/x
  3. Step 3: Cross multiply
    13,482.44x = 18,623.94 × 12,224.92
  4. Step 4: Simplify right side
    13,482.44x = 227,676,176.58
  5. Step 5: Solve for x
    x = 227,676,176.58/13,482.44
  6. Step 6: Final answer
    x = 16,886.87

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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.