Home / 15,140.30-22,706.94-5,776.90

Finding the Fourth Proportional to 15,140.30, 22,706.94 and 5,776.90

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Solution

The fourth proportional to 15,140.30, 22,706.94 and 5,776.90 is: 8,664.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.30 : 22,706.94 = 5,776.90 : x
  2. Step 2: Convert to fraction form
    15,140.30/22,706.94 = 5,776.90/x
  3. Step 3: Cross multiply
    15,140.30x = 22,706.94 × 5,776.90
  4. Step 4: Simplify right side
    15,140.30x = 131,175,721.69
  5. Step 5: Solve for x
    x = 131,175,721.69/15,140.30
  6. Step 6: Final answer
    x = 8,664.01

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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.