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Finding the Fourth Proportional to 14,488.32, 21,732.48 and 9,327

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Solution

The fourth proportional to 14,488.32, 21,732.48 and 9,327 is: 13,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.32 : 21,732.48 = 9,327 : x
  2. Step 2: Convert to fraction form
    14,488.32/21,732.48 = 9,327/x
  3. Step 3: Cross multiply
    14,488.32x = 21,732.48 × 9,327
  4. Step 4: Simplify right side
    14,488.32x = 202,698,840.96
  5. Step 5: Solve for x
    x = 202,698,840.96/14,488.32
  6. Step 6: Final answer
    x = 13,990.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.