Home / 16,287.88-24,420.86-7,517.96

Finding the Fourth Proportional to 16,287.88, 24,420.86 and 7,517.96

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Solution

The fourth proportional to 16,287.88, 24,420.86 and 7,517.96 is: 11,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,287.88 : 24,420.86 = 7,517.96 : x
  2. Step 2: Convert to fraction form
    16,287.88/24,420.86 = 7,517.96/x
  3. Step 3: Cross multiply
    16,287.88x = 24,420.86 × 7,517.96
  4. Step 4: Simplify right side
    16,287.88x = 183,595,048.65
  5. Step 5: Solve for x
    x = 183,595,048.65/16,287.88
  6. Step 6: Final answer
    x = 11,271.88

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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.