Home / 18,112.90-27,096.45-15,674.80

Finding the Fourth Proportional to 18,112.90, 27,096.45 and 15,674.80

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Solution

The fourth proportional to 18,112.90, 27,096.45 and 15,674.80 is: 23,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.90 : 27,096.45 = 15,674.80 : x
  2. Step 2: Convert to fraction form
    18,112.90/27,096.45 = 15,674.80/x
  3. Step 3: Cross multiply
    18,112.90x = 27,096.45 × 15,674.80
  4. Step 4: Simplify right side
    18,112.90x = 424,731,434.46
  5. Step 5: Solve for x
    x = 424,731,434.46/18,112.90
  6. Step 6: Final answer
    x = 23,449.11

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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.