Home / 19,401.67-29,102.51-9,007.75

Finding the Fourth Proportional to 19,401.67, 29,102.51 and 9,007.75

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Solution

The fourth proportional to 19,401.67, 29,102.51 and 9,007.75 is: 13,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.67 : 29,102.51 = 9,007.75 : x
  2. Step 2: Convert to fraction form
    19,401.67/29,102.51 = 9,007.75/x
  3. Step 3: Cross multiply
    19,401.67x = 29,102.51 × 9,007.75
  4. Step 4: Simplify right side
    19,401.67x = 262,148,134.45
  5. Step 5: Solve for x
    x = 262,148,134.45/19,401.67
  6. Step 6: Final answer
    x = 13,511.63

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Similar ratio
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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.