Home / 20,226.23-27,913.98-12,272.84

Finding the Fourth Proportional to 20,226.23, 27,913.98 and 12,272.84

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Solution

The fourth proportional to 20,226.23, 27,913.98 and 12,272.84 is: 16,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.23 : 27,913.98 = 12,272.84 : x
  2. Step 2: Convert to fraction form
    20,226.23/27,913.98 = 12,272.84/x
  3. Step 3: Cross multiply
    20,226.23x = 27,913.98 × 12,272.84
  4. Step 4: Simplify right side
    20,226.23x = 342,583,810.30
  5. Step 5: Solve for x
    x = 342,583,810.30/20,226.23
  6. Step 6: Final answer
    x = 16,937.60

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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.