Home / 20,760.50-31,142.51-6,532.24

Finding the Fourth Proportional to 20,760.50, 31,142.51 and 6,532.24

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Solution

The fourth proportional to 20,760.50, 31,142.51 and 6,532.24 is: 9,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,760.50 : 31,142.51 = 6,532.24 : x
  2. Step 2: Convert to fraction form
    20,760.50/31,142.51 = 6,532.24/x
  3. Step 3: Cross multiply
    20,760.50x = 31,142.51 × 6,532.24
  4. Step 4: Simplify right side
    20,760.50x = 203,430,316.86
  5. Step 5: Solve for x
    x = 203,430,316.86/20,760.50
  6. Step 6: Final answer
    x = 9,798.91

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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.