Home / 18,195.72-27,237.08-9,855.02

Finding the Fourth Proportional to 18,195.72, 27,237.08 and 9,855.02

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Solution

The fourth proportional to 18,195.72, 27,237.08 and 9,855.02 is: 14,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.72 : 27,237.08 = 9,855.02 : x
  2. Step 2: Convert to fraction form
    18,195.72/27,237.08 = 9,855.02/x
  3. Step 3: Cross multiply
    18,195.72x = 27,237.08 × 9,855.02
  4. Step 4: Simplify right side
    18,195.72x = 268,421,968.14
  5. Step 5: Solve for x
    x = 268,421,968.14/18,195.72
  6. Step 6: Final answer
    x = 14,751.93

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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.