Home / 13,972.59-19,282.19-8,004.38

Finding the Fourth Proportional to 13,972.59, 19,282.19 and 8,004.38

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Solution

The fourth proportional to 13,972.59, 19,282.19 and 8,004.38 is: 11,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.59 : 19,282.19 = 8,004.38 : x
  2. Step 2: Convert to fraction form
    13,972.59/19,282.19 = 8,004.38/x
  3. Step 3: Cross multiply
    13,972.59x = 19,282.19 × 8,004.38
  4. Step 4: Simplify right side
    13,972.59x = 154,341,839.56
  5. Step 5: Solve for x
    x = 154,341,839.56/13,972.59
  6. Step 6: Final answer
    x = 11,046.04

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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.