Home / 20,207.88-30,316.14-7,060.68

Finding the Fourth Proportional to 20,207.88, 30,316.14 and 7,060.68

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Solution

The fourth proportional to 20,207.88, 30,316.14 and 7,060.68 is: 10,592.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207.88 : 30,316.14 = 7,060.68 : x
  2. Step 2: Convert to fraction form
    20,207.88/30,316.14 = 7,060.68/x
  3. Step 3: Cross multiply
    20,207.88x = 30,316.14 × 7,060.68
  4. Step 4: Simplify right side
    20,207.88x = 214,052,563.38
  5. Step 5: Solve for x
    x = 214,052,563.38/20,207.88
  6. Step 6: Final answer
    x = 10,592.53

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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.