Home / 20,644.07-30,966.69-5,061.68

Finding the Fourth Proportional to 20,644.07, 30,966.69 and 5,061.68

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Solution

The fourth proportional to 20,644.07, 30,966.69 and 5,061.68 is: 7,592.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,644.07 : 30,966.69 = 5,061.68 : x
  2. Step 2: Convert to fraction form
    20,644.07/30,966.69 = 5,061.68/x
  3. Step 3: Cross multiply
    20,644.07x = 30,966.69 × 5,061.68
  4. Step 4: Simplify right side
    20,644.07x = 156,743,475.44
  5. Step 5: Solve for x
    x = 156,743,475.44/20,644.07
  6. Step 6: Final answer
    x = 7,592.66

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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.