Home / 18,112.32-27,166.17-7,011.41

Finding the Fourth Proportional to 18,112.32, 27,166.17 and 7,011.41

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Solution

The fourth proportional to 18,112.32, 27,166.17 and 7,011.41 is: 10,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.32 : 27,166.17 = 7,011.41 : x
  2. Step 2: Convert to fraction form
    18,112.32/27,166.17 = 7,011.41/x
  3. Step 3: Cross multiply
    18,112.32x = 27,166.17 × 7,011.41
  4. Step 4: Simplify right side
    18,112.32x = 190,473,020.17
  5. Step 5: Solve for x
    x = 190,473,020.17/18,112.32
  6. Step 6: Final answer
    x = 10,516.21

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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.