Home / 20,747.11-31,114.02-6,704.14

Finding the Fourth Proportional to 20,747.11, 31,114.02 and 6,704.14

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Solution

The fourth proportional to 20,747.11, 31,114.02 and 6,704.14 is: 10,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747.11 : 31,114.02 = 6,704.14 : x
  2. Step 2: Convert to fraction form
    20,747.11/31,114.02 = 6,704.14/x
  3. Step 3: Cross multiply
    20,747.11x = 31,114.02 × 6,704.14
  4. Step 4: Simplify right side
    20,747.11x = 208,592,839.25
  5. Step 5: Solve for x
    x = 208,592,839.25/20,747.11
  6. Step 6: Final answer
    x = 10,054.07

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1.5x scale

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.