Home / 19,431.32-29,151.11-6,282.69

Finding the Fourth Proportional to 19,431.32, 29,151.11 and 6,282.69

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Solution

The fourth proportional to 19,431.32, 29,151.11 and 6,282.69 is: 9,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431.32 : 29,151.11 = 6,282.69 : x
  2. Step 2: Convert to fraction form
    19,431.32/29,151.11 = 6,282.69/x
  3. Step 3: Cross multiply
    19,431.32x = 29,151.11 × 6,282.69
  4. Step 4: Simplify right side
    19,431.32x = 183,147,355.87
  5. Step 5: Solve for x
    x = 183,147,355.87/19,431.32
  6. Step 6: Final answer
    x = 9,425.37

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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.