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Finding the Fourth Proportional to 14,293.53, 19,724.72 and 8,006.31

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Solution

The fourth proportional to 14,293.53, 19,724.72 and 8,006.31 is: 11,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.53 : 19,724.72 = 8,006.31 : x
  2. Step 2: Convert to fraction form
    14,293.53/19,724.72 = 8,006.31/x
  3. Step 3: Cross multiply
    14,293.53x = 19,724.72 × 8,006.31
  4. Step 4: Simplify right side
    14,293.53x = 157,922,182.95
  5. Step 5: Solve for x
    x = 157,922,182.95/14,293.53
  6. Step 6: Final answer
    x = 11,048.51

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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.