Home / 19,576.48-29,365.68-6,432.64

Finding the Fourth Proportional to 19,576.48, 29,365.68 and 6,432.64

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Solution

The fourth proportional to 19,576.48, 29,365.68 and 6,432.64 is: 9,649.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.48 : 29,365.68 = 6,432.64 : x
  2. Step 2: Convert to fraction form
    19,576.48/29,365.68 = 6,432.64/x
  3. Step 3: Cross multiply
    19,576.48x = 29,365.68 × 6,432.64
  4. Step 4: Simplify right side
    19,576.48x = 188,898,847.80
  5. Step 5: Solve for x
    x = 188,898,847.80/19,576.48
  6. Step 6: Final answer
    x = 9,649.28

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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.