Home / 43,253.25-64,882.20-13,668.84

Finding the Fourth Proportional to 43,253.25, 64,882.20 and 13,668.84

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Solution

The fourth proportional to 43,253.25, 64,882.20 and 13,668.84 is: 20,503.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,253.25 : 64,882.20 = 13,668.84 : x
  2. Step 2: Convert to fraction form
    43,253.25/64,882.20 = 13,668.84/x
  3. Step 3: Cross multiply
    43,253.25x = 64,882.20 × 13,668.84
  4. Step 4: Simplify right side
    43,253.25x = 886,864,410.65
  5. Step 5: Solve for x
    x = 886,864,410.65/43,253.25
  6. Step 6: Final answer
    x = 20,503.99

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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.