Home / 19,548.36-29,289.66-12,608.28

Finding the Fourth Proportional to 19,548.36, 29,289.66 and 12,608.28

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Solution

The fourth proportional to 19,548.36, 29,289.66 and 12,608.28 is: 18,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,548.36 : 29,289.66 = 12,608.28 : x
  2. Step 2: Convert to fraction form
    19,548.36/29,289.66 = 12,608.28/x
  3. Step 3: Cross multiply
    19,548.36x = 29,289.66 × 12,608.28
  4. Step 4: Simplify right side
    19,548.36x = 369,292,234.38
  5. Step 5: Solve for x
    x = 369,292,234.38/19,548.36
  6. Step 6: Final answer
    x = 18,891.21

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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.