Home / 20,094.23-30,117.65-6,939.42

Finding the Fourth Proportional to 20,094.23, 30,117.65 and 6,939.42

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Solution

The fourth proportional to 20,094.23, 30,117.65 and 6,939.42 is: 10,400.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.23 : 30,117.65 = 6,939.42 : x
  2. Step 2: Convert to fraction form
    20,094.23/30,117.65 = 6,939.42/x
  3. Step 3: Cross multiply
    20,094.23x = 30,117.65 × 6,939.42
  4. Step 4: Simplify right side
    20,094.23x = 208,998,988.07
  5. Step 5: Solve for x
    x = 208,998,988.07/20,094.23
  6. Step 6: Final answer
    x = 10,400.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.