Home / 18,192.48-27,289.08-7,098.72

Finding the Fourth Proportional to 18,192.48, 27,289.08 and 7,098.72

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Solution

The fourth proportional to 18,192.48, 27,289.08 and 7,098.72 is: 10,648.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.48 : 27,289.08 = 7,098.72 : x
  2. Step 2: Convert to fraction form
    18,192.48/27,289.08 = 7,098.72/x
  3. Step 3: Cross multiply
    18,192.48x = 27,289.08 × 7,098.72
  4. Step 4: Simplify right side
    18,192.48x = 193,717,537.98
  5. Step 5: Solve for x
    x = 193,717,537.98/18,192.48
  6. Step 6: Final answer
    x = 10,648.22

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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.