Home / 14,153.44-19,530.48-8,777.92

Finding the Fourth Proportional to 14,153.44, 19,530.48 and 8,777.92

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Solution

The fourth proportional to 14,153.44, 19,530.48 and 8,777.92 is: 12,112.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.44 : 19,530.48 = 8,777.92 : x
  2. Step 2: Convert to fraction form
    14,153.44/19,530.48 = 8,777.92/x
  3. Step 3: Cross multiply
    14,153.44x = 19,530.48 × 8,777.92
  4. Step 4: Simplify right side
    14,153.44x = 171,436,991.00
  5. Step 5: Solve for x
    x = 171,436,991.00/14,153.44
  6. Step 6: Final answer
    x = 12,112.74

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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.