Home / 20,048.15-27,667.44-12,092.91

Finding the Fourth Proportional to 20,048.15, 27,667.44 and 12,092.91

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Solution

The fourth proportional to 20,048.15, 27,667.44 and 12,092.91 is: 16,688.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.15 : 27,667.44 = 12,092.91 : x
  2. Step 2: Convert to fraction form
    20,048.15/27,667.44 = 12,092.91/x
  3. Step 3: Cross multiply
    20,048.15x = 27,667.44 × 12,092.91
  4. Step 4: Simplify right side
    20,048.15x = 334,579,861.85
  5. Step 5: Solve for x
    x = 334,579,861.85/20,048.15
  6. Step 6: Final answer
    x = 16,688.82

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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.