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Finding the Fourth Proportional to 14,295.39, 19,727.65 and 8,706.39

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Solution

The fourth proportional to 14,295.39, 19,727.65 and 8,706.39 is: 12,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.39 : 19,727.65 = 8,706.39 : x
  2. Step 2: Convert to fraction form
    14,295.39/19,727.65 = 8,706.39/x
  3. Step 3: Cross multiply
    14,295.39x = 19,727.65 × 8,706.39
  4. Step 4: Simplify right side
    14,295.39x = 171,756,642.24
  5. Step 5: Solve for x
    x = 171,756,642.24/14,295.39
  6. Step 6: Final answer
    x = 12,014.83

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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.