Home / 20,120.03-27,774.94-12,057.52

Finding the Fourth Proportional to 20,120.03, 27,774.94 and 12,057.52

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Solution

The fourth proportional to 20,120.03, 27,774.94 and 12,057.52 is: 16,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,120.03 : 27,774.94 = 12,057.52 : x
  2. Step 2: Convert to fraction form
    20,120.03/27,774.94 = 12,057.52/x
  3. Step 3: Cross multiply
    20,120.03x = 27,774.94 × 12,057.52
  4. Step 4: Simplify right side
    20,120.03x = 334,896,755.67
  5. Step 5: Solve for x
    x = 334,896,755.67/20,120.03
  6. Step 6: Final answer
    x = 16,644.94

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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.