Home / 14,645.50-21,968.62-5,286.32

Finding the Fourth Proportional to 14,645.50, 21,968.62 and 5,286.32

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Solution

The fourth proportional to 14,645.50, 21,968.62 and 5,286.32 is: 7,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.50 : 21,968.62 = 5,286.32 : x
  2. Step 2: Convert to fraction form
    14,645.50/21,968.62 = 5,286.32/x
  3. Step 3: Cross multiply
    14,645.50x = 21,968.62 × 5,286.32
  4. Step 4: Simplify right side
    14,645.50x = 116,133,155.28
  5. Step 5: Solve for x
    x = 116,133,155.28/14,645.50
  6. Step 6: Final answer
    x = 7,929.61

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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.