Home / 18,587.04-27,875.43-6,105.75

Finding the Fourth Proportional to 18,587.04, 27,875.43 and 6,105.75

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Solution

The fourth proportional to 18,587.04, 27,875.43 and 6,105.75 is: 9,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.04 : 27,875.43 = 6,105.75 : x
  2. Step 2: Convert to fraction form
    18,587.04/27,875.43 = 6,105.75/x
  3. Step 3: Cross multiply
    18,587.04x = 27,875.43 × 6,105.75
  4. Step 4: Simplify right side
    18,587.04x = 170,200,406.72
  5. Step 5: Solve for x
    x = 170,200,406.72/18,587.04
  6. Step 6: Final answer
    x = 9,156.94

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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.