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Finding the Fourth Proportional to 16,234.40, 24,325.20 and 14,679.20

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Solution

The fourth proportional to 16,234.40, 24,325.20 and 14,679.20 is: 21,994.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,234.40 : 24,325.20 = 14,679.20 : x
  2. Step 2: Convert to fraction form
    16,234.40/24,325.20 = 14,679.20/x
  3. Step 3: Cross multiply
    16,234.40x = 24,325.20 × 14,679.20
  4. Step 4: Simplify right side
    16,234.40x = 357,074,475.84
  5. Step 5: Solve for x
    x = 357,074,475.84/16,234.40
  6. Step 6: Final answer
    x = 21,994.93

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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.