Home / 18,175.76-27,271.38-9,416.84

Finding the Fourth Proportional to 18,175.76, 27,271.38 and 9,416.84

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Solution

The fourth proportional to 18,175.76, 27,271.38 and 9,416.84 is: 14,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.76 : 27,271.38 = 9,416.84 : x
  2. Step 2: Convert to fraction form
    18,175.76/27,271.38 = 9,416.84/x
  3. Step 3: Cross multiply
    18,175.76x = 27,271.38 × 9,416.84
  4. Step 4: Simplify right side
    18,175.76x = 256,810,222.04
  5. Step 5: Solve for x
    x = 256,810,222.04/18,175.76
  6. Step 6: Final answer
    x = 14,129.27

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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.