Home / 18,112.46-27,176.16-7,975.63

Finding the Fourth Proportional to 18,112.46, 27,176.16 and 7,975.63

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Solution

The fourth proportional to 18,112.46, 27,176.16 and 7,975.63 is: 11,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.46 : 27,176.16 = 7,975.63 : x
  2. Step 2: Convert to fraction form
    18,112.46/27,176.16 = 7,975.63/x
  3. Step 3: Cross multiply
    18,112.46x = 27,176.16 × 7,975.63
  4. Step 4: Simplify right side
    18,112.46x = 216,746,929.04
  5. Step 5: Solve for x
    x = 216,746,929.04/18,112.46
  6. Step 6: Final answer
    x = 11,966.73

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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.