Home / 20,232.76-27,925.69-13,146.88

Finding the Fourth Proportional to 20,232.76, 27,925.69 and 13,146.88

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Solution

The fourth proportional to 20,232.76, 27,925.69 and 13,146.88 is: 18,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.76 : 27,925.69 = 13,146.88 : x
  2. Step 2: Convert to fraction form
    20,232.76/27,925.69 = 13,146.88/x
  3. Step 3: Cross multiply
    20,232.76x = 27,925.69 × 13,146.88
  4. Step 4: Simplify right side
    20,232.76x = 367,135,695.35
  5. Step 5: Solve for x
    x = 367,135,695.35/20,232.76
  6. Step 6: Final answer
    x = 18,145.61

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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.