Home / 18,551.04-27,837.48-6,872.40

Finding the Fourth Proportional to 18,551.04, 27,837.48 and 6,872.40

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Solution

The fourth proportional to 18,551.04, 27,837.48 and 6,872.40 is: 10,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551.04 : 27,837.48 = 6,872.40 : x
  2. Step 2: Convert to fraction form
    18,551.04/27,837.48 = 6,872.40/x
  3. Step 3: Cross multiply
    18,551.04x = 27,837.48 × 6,872.40
  4. Step 4: Simplify right side
    18,551.04x = 191,310,297.55
  5. Step 5: Solve for x
    x = 191,310,297.55/18,551.04
  6. Step 6: Final answer
    x = 10,312.65

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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.