Home / 20,983.68-28,956.63-12,024.96

Finding the Fourth Proportional to 20,983.68, 28,956.63 and 12,024.96

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Solution

The fourth proportional to 20,983.68, 28,956.63 and 12,024.96 is: 16,593.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,983.68 : 28,956.63 = 12,024.96 : x
  2. Step 2: Convert to fraction form
    20,983.68/28,956.63 = 12,024.96/x
  3. Step 3: Cross multiply
    20,983.68x = 28,956.63 × 12,024.96
  4. Step 4: Simplify right side
    20,983.68x = 348,202,317.48
  5. Step 5: Solve for x
    x = 348,202,317.48/20,983.68
  6. Step 6: Final answer
    x = 16,593.96

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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.