Home / 18,188.04-27,121.43-15,975.93

Finding the Fourth Proportional to 18,188.04, 27,121.43 and 15,975.93

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Solution

The fourth proportional to 18,188.04, 27,121.43 and 15,975.93 is: 23,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.04 : 27,121.43 = 15,975.93 : x
  2. Step 2: Convert to fraction form
    18,188.04/27,121.43 = 15,975.93/x
  3. Step 3: Cross multiply
    18,188.04x = 27,121.43 × 15,975.93
  4. Step 4: Simplify right side
    18,188.04x = 433,290,067.18
  5. Step 5: Solve for x
    x = 433,290,067.18/18,188.04
  6. Step 6: Final answer
    x = 23,822.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.