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Finding the Fourth Proportional to 14,994.72, 20,688.48 and 9,024.48

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Solution

The fourth proportional to 14,994.72, 20,688.48 and 9,024.48 is: 12,451.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,994.72 : 20,688.48 = 9,024.48 : x
  2. Step 2: Convert to fraction form
    14,994.72/20,688.48 = 9,024.48/x
  3. Step 3: Cross multiply
    14,994.72x = 20,688.48 × 9,024.48
  4. Step 4: Simplify right side
    14,994.72x = 186,702,773.99
  5. Step 5: Solve for x
    x = 186,702,773.99/14,994.72
  6. Step 6: Final answer
    x = 12,451.23

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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.