Home / 18,095.76-27,161.16-8,742.36

Finding the Fourth Proportional to 18,095.76, 27,161.16 and 8,742.36

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Solution

The fourth proportional to 18,095.76, 27,161.16 and 8,742.36 is: 13,122.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.76 : 27,161.16 = 8,742.36 : x
  2. Step 2: Convert to fraction form
    18,095.76/27,161.16 = 8,742.36/x
  3. Step 3: Cross multiply
    18,095.76x = 27,161.16 × 8,742.36
  4. Step 4: Simplify right side
    18,095.76x = 237,452,638.74
  5. Step 5: Solve for x
    x = 237,452,638.74/18,095.76
  6. Step 6: Final answer
    x = 13,122.00

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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.