Home / 18,088.46-27,133.41-4,940.79

Finding the Fourth Proportional to 18,088.46, 27,133.41 and 4,940.79

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Solution

The fourth proportional to 18,088.46, 27,133.41 and 4,940.79 is: 7,411.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.46 : 27,133.41 = 4,940.79 : x
  2. Step 2: Convert to fraction form
    18,088.46/27,133.41 = 4,940.79/x
  3. Step 3: Cross multiply
    18,088.46x = 27,133.41 × 4,940.79
  4. Step 4: Simplify right side
    18,088.46x = 134,060,522.41
  5. Step 5: Solve for x
    x = 134,060,522.41/18,088.46
  6. Step 6: Final answer
    x = 7,411.38

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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.