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Finding the Fourth Proportional to 14,326.43, 19,770.15 and 7,952.64

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Solution

The fourth proportional to 14,326.43, 19,770.15 and 7,952.64 is: 10,974.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,326.43 : 19,770.15 = 7,952.64 : x
  2. Step 2: Convert to fraction form
    14,326.43/19,770.15 = 7,952.64/x
  3. Step 3: Cross multiply
    14,326.43x = 19,770.15 × 7,952.64
  4. Step 4: Simplify right side
    14,326.43x = 157,224,885.70
  5. Step 5: Solve for x
    x = 157,224,885.70/14,326.43
  6. Step 6: Final answer
    x = 10,974.47

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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.