Home / 15,891.46-23,832.61-6,403.75

Finding the Fourth Proportional to 15,891.46, 23,832.61 and 6,403.75

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Solution

The fourth proportional to 15,891.46, 23,832.61 and 6,403.75 is: 9,603.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,891.46 : 23,832.61 = 6,403.75 : x
  2. Step 2: Convert to fraction form
    15,891.46/23,832.61 = 6,403.75/x
  3. Step 3: Cross multiply
    15,891.46x = 23,832.61 × 6,403.75
  4. Step 4: Simplify right side
    15,891.46x = 152,618,076.29
  5. Step 5: Solve for x
    x = 152,618,076.29/15,891.46
  6. Step 6: Final answer
    x = 9,603.78

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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.