Home / 18,451.04-27,671.14-8,450.12

Finding the Fourth Proportional to 18,451.04, 27,671.14 and 8,450.12

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Solution

The fourth proportional to 18,451.04, 27,671.14 and 8,450.12 is: 12,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.04 : 27,671.14 = 8,450.12 : x
  2. Step 2: Convert to fraction form
    18,451.04/27,671.14 = 8,450.12/x
  3. Step 3: Cross multiply
    18,451.04x = 27,671.14 × 8,450.12
  4. Step 4: Simplify right side
    18,451.04x = 233,824,411.29
  5. Step 5: Solve for x
    x = 233,824,411.29/18,451.04
  6. Step 6: Final answer
    x = 12,672.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.