Home / 22,236.46-30,671.76-13,276.96

Finding the Fourth Proportional to 22,236.46, 30,671.76 and 13,276.96

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Solution

The fourth proportional to 22,236.46, 30,671.76 and 13,276.96 is: 18,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.46 : 30,671.76 = 13,276.96 : x
  2. Step 2: Convert to fraction form
    22,236.46/30,671.76 = 13,276.96/x
  3. Step 3: Cross multiply
    22,236.46x = 30,671.76 × 13,276.96
  4. Step 4: Simplify right side
    22,236.46x = 407,227,730.65
  5. Step 5: Solve for x
    x = 407,227,730.65/22,236.46
  6. Step 6: Final answer
    x = 18,313.51

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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.