Home / 13,874.17-19,146.44-7,586.55

Finding the Fourth Proportional to 13,874.17, 19,146.44 and 7,586.55

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Solution

The fourth proportional to 13,874.17, 19,146.44 and 7,586.55 is: 10,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874.17 : 19,146.44 = 7,586.55 : x
  2. Step 2: Convert to fraction form
    13,874.17/19,146.44 = 7,586.55/x
  3. Step 3: Cross multiply
    13,874.17x = 19,146.44 × 7,586.55
  4. Step 4: Simplify right side
    13,874.17x = 145,255,424.38
  5. Step 5: Solve for x
    x = 145,255,424.38/13,874.17
  6. Step 6: Final answer
    x = 10,469.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.