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Finding the Fourth Proportional to 14,927.41, 20,599.80 and 8,213.14

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Solution

The fourth proportional to 14,927.41, 20,599.80 and 8,213.14 is: 11,334.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,927.41 : 20,599.80 = 8,213.14 : x
  2. Step 2: Convert to fraction form
    14,927.41/20,599.80 = 8,213.14/x
  3. Step 3: Cross multiply
    14,927.41x = 20,599.80 × 8,213.14
  4. Step 4: Simplify right side
    14,927.41x = 169,189,041.37
  5. Step 5: Solve for x
    x = 169,189,041.37/14,927.41
  6. Step 6: Final answer
    x = 11,334.12

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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.