Home / 28,949.08-43,421.34-13,366.84

Finding the Fourth Proportional to 28,949.08, 43,421.34 and 13,366.84

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Solution

The fourth proportional to 28,949.08, 43,421.34 and 13,366.84 is: 20,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,949.08 : 43,421.34 = 13,366.84 : x
  2. Step 2: Convert to fraction form
    28,949.08/43,421.34 = 13,366.84/x
  3. Step 3: Cross multiply
    28,949.08x = 43,421.34 × 13,366.84
  4. Step 4: Simplify right side
    28,949.08x = 580,406,104.37
  5. Step 5: Solve for x
    x = 580,406,104.37/28,949.08
  6. Step 6: Final answer
    x = 20,049.21

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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.