Home / 23,420.59-35,132.72-6,780.87

Finding the Fourth Proportional to 23,420.59, 35,132.72 and 6,780.87

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Solution

The fourth proportional to 23,420.59, 35,132.72 and 6,780.87 is: 10,171.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,420.59 : 35,132.72 = 6,780.87 : x
  2. Step 2: Convert to fraction form
    23,420.59/35,132.72 = 6,780.87/x
  3. Step 3: Cross multiply
    23,420.59x = 35,132.72 × 6,780.87
  4. Step 4: Simplify right side
    23,420.59x = 238,230,373.16
  5. Step 5: Solve for x
    x = 238,230,373.16/23,420.59
  6. Step 6: Final answer
    x = 10,171.83

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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.