Home / 20,535.65-28,333.82-12,033.21

Finding the Fourth Proportional to 20,535.65, 28,333.82 and 12,033.21

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Solution

The fourth proportional to 20,535.65, 28,333.82 and 12,033.21 is: 16,602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535.65 : 28,333.82 = 12,033.21 : x
  2. Step 2: Convert to fraction form
    20,535.65/28,333.82 = 12,033.21/x
  3. Step 3: Cross multiply
    20,535.65x = 28,333.82 × 12,033.21
  4. Step 4: Simplify right side
    20,535.65x = 340,946,776.08
  5. Step 5: Solve for x
    x = 340,946,776.08/20,535.65
  6. Step 6: Final answer
    x = 16,602.68

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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.