Home / 14,482.13-19,986.57-8,195.72

Finding the Fourth Proportional to 14,482.13, 19,986.57 and 8,195.72

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Solution

The fourth proportional to 14,482.13, 19,986.57 and 8,195.72 is: 11,310.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.13 : 19,986.57 = 8,195.72 : x
  2. Step 2: Convert to fraction form
    14,482.13/19,986.57 = 8,195.72/x
  3. Step 3: Cross multiply
    14,482.13x = 19,986.57 × 8,195.72
  4. Step 4: Simplify right side
    14,482.13x = 163,804,231.55
  5. Step 5: Solve for x
    x = 163,804,231.55/14,482.13
  6. Step 6: Final answer
    x = 11,310.79

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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.