Home / 15,505.34-23,257.81-3,818.66

Finding the Fourth Proportional to 15,505.34, 23,257.81 and 3,818.66

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Solution

The fourth proportional to 15,505.34, 23,257.81 and 3,818.66 is: 5,727.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505.34 : 23,257.81 = 3,818.66 : x
  2. Step 2: Convert to fraction form
    15,505.34/23,257.81 = 3,818.66/x
  3. Step 3: Cross multiply
    15,505.34x = 23,257.81 × 3,818.66
  4. Step 4: Simplify right side
    15,505.34x = 88,813,668.73
  5. Step 5: Solve for x
    x = 88,813,668.73/15,505.34
  6. Step 6: Final answer
    x = 5,727.94

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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.