Home / 12,672.48-19,012.37-6,432.24

Finding the Fourth Proportional to 12,672.48, 19,012.37 and 6,432.24

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Solution

The fourth proportional to 12,672.48, 19,012.37 and 6,432.24 is: 9,650.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672.48 : 19,012.37 = 6,432.24 : x
  2. Step 2: Convert to fraction form
    12,672.48/19,012.37 = 6,432.24/x
  3. Step 3: Cross multiply
    12,672.48x = 19,012.37 × 6,432.24
  4. Step 4: Simplify right side
    12,672.48x = 122,292,094.65
  5. Step 5: Solve for x
    x = 122,292,094.65/12,672.48
  6. Step 6: Final answer
    x = 9,650.21

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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.