Home / 13,974.14-19,285.59-8,007.74

Finding the Fourth Proportional to 13,974.14, 19,285.59 and 8,007.74

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Solution

The fourth proportional to 13,974.14, 19,285.59 and 8,007.74 is: 11,051.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.14 : 19,285.59 = 8,007.74 : x
  2. Step 2: Convert to fraction form
    13,974.14/19,285.59 = 8,007.74/x
  3. Step 3: Cross multiply
    13,974.14x = 19,285.59 × 8,007.74
  4. Step 4: Simplify right side
    13,974.14x = 154,433,990.47
  5. Step 5: Solve for x
    x = 154,433,990.47/13,974.14
  6. Step 6: Final answer
    x = 11,051.41

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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.