Home / 20,094.35-27,731.03-12,135.02

Finding the Fourth Proportional to 20,094.35, 27,731.03 and 12,135.02

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Solution

The fourth proportional to 20,094.35, 27,731.03 and 12,135.02 is: 16,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.35 : 27,731.03 = 12,135.02 : x
  2. Step 2: Convert to fraction form
    20,094.35/27,731.03 = 12,135.02/x
  3. Step 3: Cross multiply
    20,094.35x = 27,731.03 × 12,135.02
  4. Step 4: Simplify right side
    20,094.35x = 336,516,404.34
  5. Step 5: Solve for x
    x = 336,516,404.34/20,094.35
  6. Step 6: Final answer
    x = 16,746.82

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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.