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Finding the Fourth Proportional to 14,326.94, 19,771.19 and 8,039.32

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Solution

The fourth proportional to 14,326.94, 19,771.19 and 8,039.32 is: 11,094.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,326.94 : 19,771.19 = 8,039.32 : x
  2. Step 2: Convert to fraction form
    14,326.94/19,771.19 = 8,039.32/x
  3. Step 3: Cross multiply
    14,326.94x = 19,771.19 × 8,039.32
  4. Step 4: Simplify right side
    14,326.94x = 158,946,863.71
  5. Step 5: Solve for x
    x = 158,946,863.71/14,326.94
  6. Step 6: Final answer
    x = 11,094.26

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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.