Home / 20,567.03-28,382.67-12,069.27

Finding the Fourth Proportional to 20,567.03, 28,382.67 and 12,069.27

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Solution

The fourth proportional to 20,567.03, 28,382.67 and 12,069.27 is: 16,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567.03 : 28,382.67 = 12,069.27 : x
  2. Step 2: Convert to fraction form
    20,567.03/28,382.67 = 12,069.27/x
  3. Step 3: Cross multiply
    20,567.03x = 28,382.67 × 12,069.27
  4. Step 4: Simplify right side
    20,567.03x = 342,558,107.55
  5. Step 5: Solve for x
    x = 342,558,107.55/20,567.03
  6. Step 6: Final answer
    x = 16,655.70

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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.