Home / 43,776.68-65,666.34-17,121.62

Finding the Fourth Proportional to 43,776.68, 65,666.34 and 17,121.62

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Solution

The fourth proportional to 43,776.68, 65,666.34 and 17,121.62 is: 25,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,776.68 : 65,666.34 = 17,121.62 : x
  2. Step 2: Convert to fraction form
    43,776.68/65,666.34 = 17,121.62/x
  3. Step 3: Cross multiply
    43,776.68x = 65,666.34 × 17,121.62
  4. Step 4: Simplify right side
    43,776.68x = 1,124,314,120.27
  5. Step 5: Solve for x
    x = 1,124,314,120.27/43,776.68
  6. Step 6: Final answer
    x = 25,682.95

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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.