Home / 14,164.80-19,549.44-8,862.72

Finding the Fourth Proportional to 14,164.80, 19,549.44 and 8,862.72

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Solution

The fourth proportional to 14,164.80, 19,549.44 and 8,862.72 is: 12,231.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,164.80 : 19,549.44 = 8,862.72 : x
  2. Step 2: Convert to fraction form
    14,164.80/19,549.44 = 8,862.72/x
  3. Step 3: Cross multiply
    14,164.80x = 19,549.44 × 8,862.72
  4. Step 4: Simplify right side
    14,164.80x = 173,261,212.88
  5. Step 5: Solve for x
    x = 173,261,212.88/14,164.80
  6. Step 6: Final answer
    x = 12,231.81

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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.