Home / 18,929.14-26,094.20-12,122.44

Finding the Fourth Proportional to 18,929.14, 26,094.20 and 12,122.44

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Solution

The fourth proportional to 18,929.14, 26,094.20 and 12,122.44 is: 16,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929.14 : 26,094.20 = 12,122.44 : x
  2. Step 2: Convert to fraction form
    18,929.14/26,094.20 = 12,122.44/x
  3. Step 3: Cross multiply
    18,929.14x = 26,094.20 × 12,122.44
  4. Step 4: Simplify right side
    18,929.14x = 316,325,373.85
  5. Step 5: Solve for x
    x = 316,325,373.85/18,929.14
  6. Step 6: Final answer
    x = 16,711.03

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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.