Home / 19,246.06-28,884.22-9,885.70

Finding the Fourth Proportional to 19,246.06, 28,884.22 and 9,885.70

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Solution

The fourth proportional to 19,246.06, 28,884.22 and 9,885.70 is: 14,836.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246.06 : 28,884.22 = 9,885.70 : x
  2. Step 2: Convert to fraction form
    19,246.06/28,884.22 = 9,885.70/x
  3. Step 3: Cross multiply
    19,246.06x = 28,884.22 × 9,885.70
  4. Step 4: Simplify right side
    19,246.06x = 285,540,733.65
  5. Step 5: Solve for x
    x = 285,540,733.65/19,246.06
  6. Step 6: Final answer
    x = 14,836.32

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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.