Home / 14,690.84-20,273.23-7,976.32

Finding the Fourth Proportional to 14,690.84, 20,273.23 and 7,976.32

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Solution

The fourth proportional to 14,690.84, 20,273.23 and 7,976.32 is: 11,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.84 : 20,273.23 = 7,976.32 : x
  2. Step 2: Convert to fraction form
    14,690.84/20,273.23 = 7,976.32/x
  3. Step 3: Cross multiply
    14,690.84x = 20,273.23 × 7,976.32
  4. Step 4: Simplify right side
    14,690.84x = 161,705,729.20
  5. Step 5: Solve for x
    x = 161,705,729.20/14,690.84
  6. Step 6: Final answer
    x = 11,007.25

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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.