Home / 20,943.55-31,415.46-6,152.41

Finding the Fourth Proportional to 20,943.55, 31,415.46 and 6,152.41

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Solution

The fourth proportional to 20,943.55, 31,415.46 and 6,152.41 is: 9,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,943.55 : 31,415.46 = 6,152.41 : x
  2. Step 2: Convert to fraction form
    20,943.55/31,415.46 = 6,152.41/x
  3. Step 3: Cross multiply
    20,943.55x = 31,415.46 × 6,152.41
  4. Step 4: Simplify right side
    20,943.55x = 193,280,790.26
  5. Step 5: Solve for x
    x = 193,280,790.26/20,943.55
  6. Step 6: Final answer
    x = 9,228.65

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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.