Home / 15,479.36-23,198.88-6,234.56

Finding the Fourth Proportional to 15,479.36, 23,198.88 and 6,234.56

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Solution

The fourth proportional to 15,479.36, 23,198.88 and 6,234.56 is: 9,343.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479.36 : 23,198.88 = 6,234.56 : x
  2. Step 2: Convert to fraction form
    15,479.36/23,198.88 = 6,234.56/x
  3. Step 3: Cross multiply
    15,479.36x = 23,198.88 × 6,234.56
  4. Step 4: Simplify right side
    15,479.36x = 144,634,809.29
  5. Step 5: Solve for x
    x = 144,634,809.29/15,479.36
  6. Step 6: Final answer
    x = 9,343.72

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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.