Home / 14,583.73-20,123.62-8,210.65

Finding the Fourth Proportional to 14,583.73, 20,123.62 and 8,210.65

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Solution

The fourth proportional to 14,583.73, 20,123.62 and 8,210.65 is: 11,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,583.73 : 20,123.62 = 8,210.65 : x
  2. Step 2: Convert to fraction form
    14,583.73/20,123.62 = 8,210.65/x
  3. Step 3: Cross multiply
    14,583.73x = 20,123.62 × 8,210.65
  4. Step 4: Simplify right side
    14,583.73x = 165,228,000.55
  5. Step 5: Solve for x
    x = 165,228,000.55/14,583.73
  6. Step 6: Final answer
    x = 11,329.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.