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Finding the Fourth Proportional to 14,962.95, 20,644.82 and 8,502.49

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Solution

The fourth proportional to 14,962.95, 20,644.82 and 8,502.49 is: 11,731.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.95 : 20,644.82 = 8,502.49 : x
  2. Step 2: Convert to fraction form
    14,962.95/20,644.82 = 8,502.49/x
  3. Step 3: Cross multiply
    14,962.95x = 20,644.82 × 8,502.49
  4. Step 4: Simplify right side
    14,962.95x = 175,532,496.67
  5. Step 5: Solve for x
    x = 175,532,496.67/14,962.95
  6. Step 6: Final answer
    x = 11,731.14

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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.