Home / 14,788.80-22,192.56-8,561.16

Finding the Fourth Proportional to 14,788.80, 22,192.56 and 8,561.16

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Solution

The fourth proportional to 14,788.80, 22,192.56 and 8,561.16 is: 12,847.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,788.80 : 22,192.56 = 8,561.16 : x
  2. Step 2: Convert to fraction form
    14,788.80/22,192.56 = 8,561.16/x
  3. Step 3: Cross multiply
    14,788.80x = 22,192.56 × 8,561.16
  4. Step 4: Simplify right side
    14,788.80x = 189,994,056.97
  5. Step 5: Solve for x
    x = 189,994,056.97/14,788.80
  6. Step 6: Final answer
    x = 12,847.16

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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.