Home / 16,983.04-23,411.20-12,006.40

Finding the Fourth Proportional to 16,983.04, 23,411.20 and 12,006.40

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Solution

The fourth proportional to 16,983.04, 23,411.20 and 12,006.40 is: 16,550.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.04 : 23,411.20 = 12,006.40 : x
  2. Step 2: Convert to fraction form
    16,983.04/23,411.20 = 12,006.40/x
  3. Step 3: Cross multiply
    16,983.04x = 23,411.20 × 12,006.40
  4. Step 4: Simplify right side
    16,983.04x = 281,084,231.68
  5. Step 5: Solve for x
    x = 281,084,231.68/16,983.04
  6. Step 6: Final answer
    x = 16,550.88

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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.