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Finding the Fourth Proportional to 14,726.94, 20,322.93 and 8,012.39

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Solution

The fourth proportional to 14,726.94, 20,322.93 and 8,012.39 is: 11,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,726.94 : 20,322.93 = 8,012.39 : x
  2. Step 2: Convert to fraction form
    14,726.94/20,322.93 = 8,012.39/x
  3. Step 3: Cross multiply
    14,726.94x = 20,322.93 × 8,012.39
  4. Step 4: Simplify right side
    14,726.94x = 162,835,273.40
  5. Step 5: Solve for x
    x = 162,835,273.40/14,726.94
  6. Step 6: Final answer
    x = 11,056.97

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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.