Home / 20,125.88-27,764.06-14,160.84

Finding the Fourth Proportional to 20,125.88, 27,764.06 and 14,160.84

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Solution

The fourth proportional to 20,125.88, 27,764.06 and 14,160.84 is: 19,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125.88 : 27,764.06 = 14,160.84 : x
  2. Step 2: Convert to fraction form
    20,125.88/27,764.06 = 14,160.84/x
  3. Step 3: Cross multiply
    20,125.88x = 27,764.06 × 14,160.84
  4. Step 4: Simplify right side
    20,125.88x = 393,162,272.59
  5. Step 5: Solve for x
    x = 393,162,272.59/20,125.88
  6. Step 6: Final answer
    x = 19,535.16

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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.