Home / 27,570.42-41,355.61-11,988.04

Finding the Fourth Proportional to 27,570.42, 41,355.61 and 11,988.04

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Solution

The fourth proportional to 27,570.42, 41,355.61 and 11,988.04 is: 17,982.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,570.42 : 41,355.61 = 11,988.04 : x
  2. Step 2: Convert to fraction form
    27,570.42/41,355.61 = 11,988.04/x
  3. Step 3: Cross multiply
    27,570.42x = 41,355.61 × 11,988.04
  4. Step 4: Simplify right side
    27,570.42x = 495,772,706.90
  5. Step 5: Solve for x
    x = 495,772,706.90/27,570.42
  6. Step 6: Final answer
    x = 17,982.05

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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.