Home / 18,180.63-27,270.74-7,095.11

Finding the Fourth Proportional to 18,180.63, 27,270.74 and 7,095.11

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Solution

The fourth proportional to 18,180.63, 27,270.74 and 7,095.11 is: 10,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.63 : 27,270.74 = 7,095.11 : x
  2. Step 2: Convert to fraction form
    18,180.63/27,270.74 = 7,095.11/x
  3. Step 3: Cross multiply
    18,180.63x = 27,270.74 × 7,095.11
  4. Step 4: Simplify right side
    18,180.63x = 193,488,728.25
  5. Step 5: Solve for x
    x = 193,488,728.25/18,180.63
  6. Step 6: Final answer
    x = 10,642.58

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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.