Home / 19,953.79-27,536.22-12,000.62

Finding the Fourth Proportional to 19,953.79, 27,536.22 and 12,000.62

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Solution

The fourth proportional to 19,953.79, 27,536.22 and 12,000.62 is: 16,560.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.79 : 27,536.22 = 12,000.62 : x
  2. Step 2: Convert to fraction form
    19,953.79/27,536.22 = 12,000.62/x
  3. Step 3: Cross multiply
    19,953.79x = 27,536.22 × 12,000.62
  4. Step 4: Simplify right side
    19,953.79x = 330,451,781.30
  5. Step 5: Solve for x
    x = 330,451,781.30/19,953.79
  6. Step 6: Final answer
    x = 16,560.85

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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.