Home / 14,983.54-20,678.61-8,270.62

Finding the Fourth Proportional to 14,983.54, 20,678.61 and 8,270.62

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Solution

The fourth proportional to 14,983.54, 20,678.61 and 8,270.62 is: 11,414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.54 : 20,678.61 = 8,270.62 : x
  2. Step 2: Convert to fraction form
    14,983.54/20,678.61 = 8,270.62/x
  3. Step 3: Cross multiply
    14,983.54x = 20,678.61 × 8,270.62
  4. Step 4: Simplify right side
    14,983.54x = 171,024,925.44
  5. Step 5: Solve for x
    x = 171,024,925.44/14,983.54
  6. Step 6: Final answer
    x = 11,414.19

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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.