Home / 19,652.85-27,114.35-11,690.55

Finding the Fourth Proportional to 19,652.85, 27,114.35 and 11,690.55

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Solution

The fourth proportional to 19,652.85, 27,114.35 and 11,690.55 is: 16,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.85 : 27,114.35 = 11,690.55 : x
  2. Step 2: Convert to fraction form
    19,652.85/27,114.35 = 11,690.55/x
  3. Step 3: Cross multiply
    19,652.85x = 27,114.35 × 11,690.55
  4. Step 4: Simplify right side
    19,652.85x = 316,981,605.94
  5. Step 5: Solve for x
    x = 316,981,605.94/19,652.85
  6. Step 6: Final answer
    x = 16,129.04

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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.