Home / 20,095.94-27,728.84-12,132.83

Finding the Fourth Proportional to 20,095.94, 27,728.84 and 12,132.83

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Solution

The fourth proportional to 20,095.94, 27,728.84 and 12,132.83 is: 16,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095.94 : 27,728.84 = 12,132.83 : x
  2. Step 2: Convert to fraction form
    20,095.94/27,728.84 = 12,132.83/x
  3. Step 3: Cross multiply
    20,095.94x = 27,728.84 × 12,132.83
  4. Step 4: Simplify right side
    20,095.94x = 336,429,102.51
  5. Step 5: Solve for x
    x = 336,429,102.51/20,095.94
  6. Step 6: Final answer
    x = 16,741.15

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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.