Home / 22,276.23-30,741.20-12,205.05

Finding the Fourth Proportional to 22,276.23, 30,741.20 and 12,205.05

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Solution

The fourth proportional to 22,276.23, 30,741.20 and 12,205.05 is: 16,842.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.23 : 30,741.20 = 12,205.05 : x
  2. Step 2: Convert to fraction form
    22,276.23/30,741.20 = 12,205.05/x
  3. Step 3: Cross multiply
    22,276.23x = 30,741.20 × 12,205.05
  4. Step 4: Simplify right side
    22,276.23x = 375,197,822.03
  5. Step 5: Solve for x
    x = 375,197,822.03/22,276.23
  6. Step 6: Final answer
    x = 16,842.97

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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.